diff --git a/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs b/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
index 19a99d2..209a0ce 100644
--- a/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
+++ b/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
@@ -28,8 +28,8 @@ public sealed class RhSolutionsAddIn : IExcelAddIn
             .AddTransient<IFileDialog, FileDialog>();
 
         Services.AddSingleton<WriterFactory>();
-        Services.AddTransient<ExcelWriter>()
-            .AddTransient<IWriter, ExcelWriter>(s => s.GetService<ExcelWriter>());
+        Services.AddTransient<NewPriceWriter>()
+            .AddTransient<IWriter, NewPriceWriter>(s => s.GetService<NewPriceWriter>());
         Services.AddTransient<DxfWriter>()
             .AddTransient<IWriter, DxfWriter>(s => s.GetService<DxfWriter>());
 
diff --git a/RhSolutions.AddIn/Services/ExcelWriter.cs b/RhSolutions.AddIn/Services/ExcelWriter.cs
deleted file mode 100644
index 99018b0..0000000
--- a/RhSolutions.AddIn/Services/ExcelWriter.cs
+++ /dev/null
@@ -1,275 +0,0 @@
-#if !NET472
-using System.Runtime.Versioning;
-using RhSolutions.Tools;
-#endif
-
-using System.Text.RegularExpressions;
-
-namespace RhSolutions.Services;
-
-#if !NET472
-[SupportedOSPlatform("windows")]
-#endif
-public class ExcelWriter : IWriter, IDisposable
-{
-    private readonly Application _application;
-    private Worksheet _worksheet;
-    private readonly ResultBar _resultBar;
-    private readonly Dictionary<string, string> _headers;
-    private readonly string _pricelistPath;
-    private ProgressBar _progressBar;
-
-    private Range _amountCell,
-        _skuCell,
-        _programLineCell,
-        _nameCell,
-        _oldSkuCell;
-
-    public ExcelWriter(Application application, IAddInConfiguration configuration)
-    {
-        _application = application;
-        _pricelistPath = configuration.GetPriceListPath();
-        _resultBar = new();
-        _headers = configuration.GetPriceListHeaders();
-    }
-
-    public void WriteProducts(Dictionary<Product, double> products)
-    {
-        WriteProducts(new[] { (string.Empty, products) });
-    }
-
-    public void WriteProducts(IEnumerable<(string, Dictionary<Product, double>)> products)
-    {
-        _worksheet = OpenNewPrice();
-
-        if (!_worksheet.IsValidSource())
-        {
-            _application.ActiveWorkbook.Close();
-            throw new ArgumentException(
-                $"Целевой файл {_application.ActiveWorkbook.Name} не является прайс-листом.");
-        }
-
-        _amountCell = _worksheet.Cells.Find(_headers["Amount"]);
-        _skuCell = _worksheet.Cells.Find(_headers["Sku"]);
-        _programLineCell = _worksheet.Cells.Find(_headers["ProductLine"]);
-        _nameCell = _worksheet.Cells.Find(_headers["Name"]);
-        _oldSkuCell = _worksheet.Cells.Find(_headers["OldSku"]);
-
-        _progressBar = new("Заполняю строки...", products
-            .Select(p => p.Item2)
-            .Sum(set => set.Count));
-
-        if (products.Count() == 1)
-        {
-            foreach (var kvp in products.First().Item2)
-            {
-                FillPositionAmountToColumns(kvp, _amountCell.Column);
-                _progressBar.Update();
-            }
-            FilterByAmount();
-            _resultBar.Update();
-        }
-
-        else
-        {
-            foreach (var product in products)
-            {
-                _worksheet.Columns[_amountCell.Column]
-                    .EntireColumn
-                    .Insert(XlInsertShiftDirection.xlShiftToRight, XlInsertFormatOrigin.xlFormatFromRightOrBelow);
-
-                Range newColumnHeader = _worksheet.Cells[_amountCell.Row, _amountCell.Column - 1];
-                newColumnHeader.Value2 = $"{product.Item1}";
-                newColumnHeader.WrapText = true;
-
-                foreach (var kvp in product.Item2)
-                {
-                    FillPositionAmountToColumns(kvp, _amountCell.Column - 1, _amountCell.Column);
-                    _progressBar.Update();
-                }
-            }
-
-            FilterByAmount();
-            _resultBar.Update();
-        }
-    }
-
-    private Worksheet OpenNewPrice()
-    {
-        if (_application.Workbooks
-            .Cast<Workbook>()
-            .FirstOrDefault(w => w.FullName == _pricelistPath) != null)
-        {
-            throw new ArgumentException("Шаблонный файл редактируется в другом месте");
-        }
-
-        return _application.Workbooks.Open(_pricelistPath, null, true).ActiveSheet;
-    }
-
-    private void FillPositionAmountToColumns(KeyValuePair<Product, double> positionAmount, params int[] columns)
-    {
-        Range worksheetCells = _worksheet.Cells;
-        Range skuColumn = _skuCell.EntireColumn;
-
-        int? row = GetPositionRow(skuColumn, positionAmount.Key.ProductSku, positionAmount.Key.ProductLines.FirstOrDefault());
-
-        if (row != null)
-        {
-            foreach (int column in columns)
-            {
-                Range cell = worksheetCells[row, column];
-                cell.AddValue(positionAmount.Value);
-            }
-
-            _resultBar.IncrementSuccess();
-            return;
-        }
-
-        if (_oldSkuCell != null)
-        {
-            row = GetPositionRow(_oldSkuCell.EntireColumn, positionAmount.Key.ProductSku, positionAmount.Key.ProductLines.FirstOrDefault());
-
-            if (row != null)
-            {
-                Range nameCell = worksheetCells[row, _nameCell.Column];
-                if (!Regex.IsMatch(nameCell.Value2, @"арт. \d{11}"))
-                {
-                    nameCell.AddValue($"(замена арт. {positionAmount.Key.ProductSku})");
-                }
-
-                foreach (int column in columns)
-                {
-                    Range cell = worksheetCells[row, column];
-                    cell.AddValue(positionAmount.Value);
-                }
-
-                _resultBar.IncrementReplaced();
-                return;
-            }
-        }
-
-        row = GetPositionRow(skuColumn, positionAmount.Key.ProductSku, positionAmount.Key.ProductLines.FirstOrDefault(), true);
-
-        if (row != null)
-        {
-            Range nameCell = worksheetCells[row, _nameCell.Column];
-            if (!Regex.IsMatch(nameCell.Value2, @"арт. \d{11}"))
-            {
-                nameCell.AddValue($"(замена арт. {positionAmount.Key.ProductSku})");
-            }
-
-            foreach (int column in columns)
-            {
-                Range cell = worksheetCells[row, column];
-                cell.AddValue(positionAmount.Value);
-            }
-
-            _resultBar.IncrementReplaced();
-            return;
-        }
-
-        FillMissing(positionAmount, columns);
-        _resultBar.IncrementNotFound();
-    }
-
-    private void FillMissing(KeyValuePair<Product, double> positionAmount, params int[] columns)
-    {
-        Range worksheetCells = _worksheet.Cells;
-        Range worksheetRows = _worksheet.Rows;
-        int skuColumn = _skuCell.Column;
-        int groupColumn = _programLineCell.Column;
-        int nameColumn = _nameCell.Column;
-        Product product = positionAmount.Key;
-
-        int row = worksheetCells[worksheetRows.Count, skuColumn]
-            .End[XlDirection.xlUp]
-            .Row + 1;
-
-        worksheetRows[row]
-            .EntireRow
-            .Insert(XlInsertShiftDirection.xlShiftDown, XlInsertFormatOrigin.xlFormatFromLeftOrAbove);
-
-        Range previous = worksheetRows[row - 1];
-        Range current = worksheetRows[row];
-
-        previous.Copy(current);
-        current.ClearContents();
-
-        worksheetCells[row, groupColumn].Value2 = product.ProductLines.FirstOrDefault() ?? string.Empty;
-        worksheetCells[row, nameColumn].Value2 = $"{product.Name} (не найден арт. {product.ProductSku})";
-        worksheetCells[row, skuColumn].Value2 = "???";
-        if (_oldSkuCell != null)
-        {
-            worksheetCells[row, _oldSkuCell.Column].Value2 = product.ProductSku;
-        }
-
-        foreach (int column in columns)
-        {
-            Range cell = worksheetCells[row, column];
-            cell.AddValue(positionAmount.Value);
-        }
-    }
-
-    private int? GetPositionRow(Range range, ProductSku sku, string productLine, bool justArticle = false)
-    {
-        string lookupString = justArticle ? sku.Article : sku.ToString();
-        Range found = range.Find(lookupString);
-        string foundGroupValue;
-        string foundSkuValue;
-
-        if (found == null)
-        {
-            return null;
-        }
-
-        int firstFoundRow = found.Row;
-
-        while (true)
-        {
-            foundSkuValue = _worksheet.Cells[found.Row, range.Column].Value2.ToString();
-            foundGroupValue = _worksheet.Cells[found.Row, _programLineCell.Column].Value2.ToString();
-
-            if (ProductSku.TryParse(foundSkuValue, out var skus))
-            {
-                if (skus.Any(s => s.Article == sku.Article) &&
-                    (string.IsNullOrEmpty(productLine) || productLine.Equals(foundGroupValue)) )
-                {
-                    return found.Row;
-                }
-                else
-                {
-                    found = range.FindNext(found);
-
-                    if (found.Row == firstFoundRow)
-                    {
-                        return null;
-                    }
-                }
-            }
-            else
-            {
-                found = range.FindNext(found);
-
-                if (found.Row == firstFoundRow)
-                {
-                    return null;
-                }
-            }
-        }
-    }
-
-    private void FilterByAmount()
-    {
-        AutoFilter filter = _worksheet.AutoFilter;
-        int startColumn = filter.Range.Column;
-
-        filter.Range.AutoFilter(_amountCell.Column - startColumn + 1, "<>0", XlAutoFilterOperator.xlAnd, "<>");
-        _worksheet.Range["A1"].Activate();
-    }
-
-    public void Dispose()
-    {
-        _progressBar?.Dispose();
-        _resultBar?.Dispose();
-    }
-}
diff --git a/RhSolutions.AddIn/Services/ExcelWriterBase.cs b/RhSolutions.AddIn/Services/ExcelWriterBase.cs
new file mode 100644
index 0000000..fdd7604
--- /dev/null
+++ b/RhSolutions.AddIn/Services/ExcelWriterBase.cs
@@ -0,0 +1,245 @@
+using System.Text.RegularExpressions;
+
+namespace RhSolutions.Services
+{
+    public abstract class ExcelWriterBase
+    {
+        protected Application _application;
+        protected Dictionary<string, string> _headers;
+        protected ResultBar _resultBar;
+        protected ProgressBar _progressBar;
+
+        protected Range _amountCell;
+        protected Range _nameCell;
+        protected Range _oldSkuCell;
+        protected Range _programLineCell;
+        protected Range _skuCell;
+        protected Worksheet _worksheet;
+
+        public void Dispose()
+        {
+            _progressBar?.Dispose();
+            _resultBar?.Dispose();
+        }
+
+        public void WriteProducts(Dictionary<Product, double> products)
+        {
+            WriteProducts(new[] { (string.Empty, products) });
+        }
+
+        public void WriteProducts(IEnumerable<(string, Dictionary<Product, double>)> products)
+        {
+            if (!_worksheet.IsValidSource())
+            {
+                _application.ActiveWorkbook.Close();
+                throw new ArgumentException(
+                    $"Целевой файл {_application.ActiveWorkbook.Name} не является прайс-листом.");
+            }
+
+            _amountCell = _worksheet.Cells.Find(_headers["Amount"]);
+            _skuCell = _worksheet.Cells.Find(_headers["Sku"]);
+            _programLineCell = _worksheet.Cells.Find(_headers["ProductLine"]);
+            _nameCell = _worksheet.Cells.Find(_headers["Name"]);
+            _oldSkuCell = _worksheet.Cells.Find(_headers["OldSku"]);
+
+            _progressBar = new("Заполняю строки...", products
+                .Select(p => p.Item2)
+                .Sum(set => set.Count));
+
+            if (products.Count() == 1)
+            {
+                foreach (var kvp in products.First().Item2)
+                {
+                    FillPositionAmountToColumns(kvp, _amountCell.Column);
+                    _progressBar.Update();
+                }
+                FilterByAmount();
+                _resultBar.Update();
+            }
+
+            else
+            {
+                foreach (var product in products)
+                {
+                    _worksheet.Columns[_amountCell.Column]
+                        .EntireColumn
+                        .Insert(XlInsertShiftDirection.xlShiftToRight, XlInsertFormatOrigin.xlFormatFromRightOrBelow);
+
+                    Range newColumnHeader = _worksheet.Cells[_amountCell.Row, _amountCell.Column - 1];
+                    newColumnHeader.Value2 = $"{product.Item1}";
+                    newColumnHeader.WrapText = true;
+
+                    foreach (var kvp in product.Item2)
+                    {
+                        FillPositionAmountToColumns(kvp, _amountCell.Column - 1, _amountCell.Column);
+                        _progressBar.Update();
+                    }
+                }
+
+                FilterByAmount();
+                _resultBar.Update();
+            }
+        }
+
+        private void FillMissing(KeyValuePair<Product, double> positionAmount, params int[] columns)
+        {
+            Range worksheetCells = _worksheet.Cells;
+            Range worksheetRows = _worksheet.Rows;
+            int skuColumn = _skuCell.Column;
+            int groupColumn = _programLineCell.Column;
+            int nameColumn = _nameCell.Column;
+            Product product = positionAmount.Key;
+
+            int row = worksheetCells[worksheetRows.Count, skuColumn]
+                .End[XlDirection.xlUp]
+                .Row + 1;
+
+            worksheetRows[row]
+                .EntireRow
+                .Insert(XlInsertShiftDirection.xlShiftDown, XlInsertFormatOrigin.xlFormatFromLeftOrAbove);
+
+            Range previous = worksheetRows[row - 1];
+            Range current = worksheetRows[row];
+
+            previous.Copy(current);
+            current.ClearContents();
+
+            worksheetCells[row, groupColumn].Value2 = product.ProductLines.FirstOrDefault() ?? string.Empty;
+            worksheetCells[row, nameColumn].Value2 = $"{product.Name} (не найден арт. {product.ProductSku})";
+            worksheetCells[row, skuColumn].Value2 = "???";
+            if (_oldSkuCell != null)
+            {
+                worksheetCells[row, _oldSkuCell.Column].Value2 = product.ProductSku;
+            }
+
+            foreach (int column in columns)
+            {
+                Range cell = worksheetCells[row, column];
+                cell.AddValue(positionAmount.Value);
+            }
+        }
+
+        private void FillPositionAmountToColumns(KeyValuePair<Product, double> positionAmount, params int[] columns)
+        {
+            Range worksheetCells = _worksheet.Cells;
+            Range skuColumn = _skuCell.EntireColumn;
+
+            int? row = GetPositionRow(skuColumn, positionAmount.Key.ProductSku, positionAmount.Key.ProductLines.FirstOrDefault());
+
+            if (row != null)
+            {
+                foreach (int column in columns)
+                {
+                    Range cell = worksheetCells[row, column];
+                    cell.AddValue(positionAmount.Value);
+                }
+
+                _resultBar.IncrementSuccess();
+                return;
+            }
+
+            if (_oldSkuCell != null)
+            {
+                row = GetPositionRow(_oldSkuCell.EntireColumn, positionAmount.Key.ProductSku, positionAmount.Key.ProductLines.FirstOrDefault());
+
+                if (row != null)
+                {
+                    Range nameCell = worksheetCells[row, _nameCell.Column];
+                    if (!Regex.IsMatch(nameCell.Value2, @"арт. \d{11}"))
+                    {
+                        nameCell.AddValue($"(замена арт. {positionAmount.Key.ProductSku})");
+                    }
+
+                    foreach (int column in columns)
+                    {
+                        Range cell = worksheetCells[row, column];
+                        cell.AddValue(positionAmount.Value);
+                    }
+
+                    _resultBar.IncrementReplaced();
+                    return;
+                }
+            }
+
+            row = GetPositionRow(skuColumn, positionAmount.Key.ProductSku, positionAmount.Key.ProductLines.FirstOrDefault(), true);
+
+            if (row != null)
+            {
+                Range nameCell = worksheetCells[row, _nameCell.Column];
+                if (!Regex.IsMatch(nameCell.Value2, @"арт. \d{11}"))
+                {
+                    nameCell.AddValue($"(замена арт. {positionAmount.Key.ProductSku})");
+                }
+
+                foreach (int column in columns)
+                {
+                    Range cell = worksheetCells[row, column];
+                    cell.AddValue(positionAmount.Value);
+                }
+
+                _resultBar.IncrementReplaced();
+                return;
+            }
+
+            FillMissing(positionAmount, columns);
+            _resultBar.IncrementNotFound();
+        }
+
+        private void FilterByAmount()
+        {
+            AutoFilter filter = _worksheet.AutoFilter;
+            int startColumn = filter.Range.Column;
+
+            filter.Range.AutoFilter(_amountCell.Column - startColumn + 1, "<>0", XlAutoFilterOperator.xlAnd, "<>");
+            _worksheet.Range["A1"].Activate();
+        }
+
+        private int? GetPositionRow(Range range, ProductSku sku, string productLine, bool justArticle = false)
+        {
+            string lookupString = justArticle ? sku.Article : sku.ToString();
+            Range found = range.Find(lookupString);
+            string foundGroupValue;
+            string foundSkuValue;
+
+            if (found == null)
+            {
+                return null;
+            }
+
+            int firstFoundRow = found.Row;
+
+            while (true)
+            {
+                foundSkuValue = _worksheet.Cells[found.Row, range.Column].Value2.ToString();
+                foundGroupValue = _worksheet.Cells[found.Row, _programLineCell.Column].Value2.ToString();
+
+                if (ProductSku.TryParse(foundSkuValue, out var skus))
+                {
+                    if (skus.Any(s => s.Article == sku.Article) &&
+                        (string.IsNullOrEmpty(productLine) || productLine.Equals(foundGroupValue)))
+                    {
+                        return found.Row;
+                    }
+                    else
+                    {
+                        found = range.FindNext(found);
+
+                        if (found.Row == firstFoundRow)
+                        {
+                            return null;
+                        }
+                    }
+                }
+                else
+                {
+                    found = range.FindNext(found);
+
+                    if (found.Row == firstFoundRow)
+                    {
+                        return null;
+                    }
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/RhSolutions.AddIn/Services/NewPriceWriter.cs b/RhSolutions.AddIn/Services/NewPriceWriter.cs
new file mode 100644
index 0000000..83e7b93
--- /dev/null
+++ b/RhSolutions.AddIn/Services/NewPriceWriter.cs
@@ -0,0 +1,34 @@
+#if !NET472
+using System.Runtime.Versioning;
+using RhSolutions.Tools;
+#endif
+
+using System.Text.RegularExpressions;
+
+namespace RhSolutions.Services;
+
+#if !NET472
+[SupportedOSPlatform("windows")]
+#endif
+public class NewPriceWriter : ExcelWriterBase, IWriter, IDisposable
+{
+    public NewPriceWriter(Application application, IAddInConfiguration configuration)
+    {
+        _application = application;
+        _resultBar = new();
+        _headers = configuration.GetPriceListHeaders();
+        _worksheet = OpenNewPrice(configuration.GetPriceListPath());
+    }
+
+    private Worksheet OpenNewPrice(string pricelistPath)
+    {
+        if (_application.Workbooks
+            .Cast<Workbook>()
+            .FirstOrDefault(w => w.FullName == pricelistPath) != null)
+        {
+            throw new ArgumentException("Шаблонный файл редактируется в другом месте");
+        }
+
+        return _application.Workbooks.Open(pricelistPath, null, true).ActiveSheet;
+    }
+}
diff --git a/RhSolutions.AddIn/Services/WriterFactory.cs b/RhSolutions.AddIn/Services/WriterFactory.cs
index 77a98d2..af2da6d 100644
--- a/RhSolutions.AddIn/Services/WriterFactory.cs
+++ b/RhSolutions.AddIn/Services/WriterFactory.cs
@@ -13,7 +13,7 @@ public class WriterFactory
     {
         return writerName switch
         {
-            "Excel" => (IWriter)_serviceProvider.GetService(typeof(ExcelWriter)),
+            "NewPrice" => (IWriter)_serviceProvider.GetService(typeof(NewPriceWriter)),
             "Dxf" => (IWriter)_serviceProvider.GetService(typeof(DxfWriter)),
             _ => throw new ArgumentException($"Незвестный интерфейс {nameof(IWriter)}: {writerName}")
         };
diff --git a/RhSolutions.AddIn/Tools/ConvertTool.cs b/RhSolutions.AddIn/Tools/ConvertTool.cs
index ed5ca04..c69c9cc 100644
--- a/RhSolutions.AddIn/Tools/ConvertTool.cs
+++ b/RhSolutions.AddIn/Tools/ConvertTool.cs
@@ -19,7 +19,7 @@ internal class ConvertTool : Tool
         Application app = RhSolutionsAddIn.Excel.Application;
         Worksheet worksheet = app.ActiveWorkbook.ActiveSheet;
         _reader = _readerFactory.GetReader("Excel");
-        _writer = _writerFactory.GetWriter("Excel");
+        _writer = _writerFactory.GetWriter("NewPrice");
         var products = _reader.ReadProducts(new[] { worksheet });
         _writer.WriteProducts(products);
     }
diff --git a/RhSolutions.AddIn/Tools/ExportTool.cs b/RhSolutions.AddIn/Tools/ExportTool.cs
index 8648f74..14fd6e2 100644
--- a/RhSolutions.AddIn/Tools/ExportTool.cs
+++ b/RhSolutions.AddIn/Tools/ExportTool.cs
@@ -17,7 +17,7 @@ internal class ExportTool : Tool
     {
         Application app = RhSolutionsAddIn.Excel.Application;
         _reader = _readerFactory.GetReader("Excel");
-        _writer = _writerFactory.GetWriter("Excel");
+        _writer = _writerFactory.GetWriter("NewPrice");
         var products = _reader.ReadProducts(app.Selection);
         _writer.WriteProducts(products);
     }
diff --git a/RhSolutions.AddIn/Tools/GuessTool.cs b/RhSolutions.AddIn/Tools/GuessTool.cs
index b3ddc8d..5452d59 100644
--- a/RhSolutions.AddIn/Tools/GuessTool.cs
+++ b/RhSolutions.AddIn/Tools/GuessTool.cs
@@ -15,7 +15,7 @@ internal class GuessTool : Tool
         Application app = RhSolutionsAddIn.Excel.Application;
         Worksheet worksheet = app.ActiveWorkbook.ActiveSheet;
         _reader = _readerFactory.GetReader("Guess");
-        _writer = _writerFactory.GetWriter("Excel");
+        _writer = _writerFactory.GetWriter("NewPrice");
         var products = _reader.ReadProducts(new[] { worksheet });
         _writer.WriteProducts(products);
     }
diff --git a/RhSolutions.AddIn/Tools/MergeTool.cs b/RhSolutions.AddIn/Tools/MergeTool.cs
index 7ba7f31..1575ec1 100644
--- a/RhSolutions.AddIn/Tools/MergeTool.cs
+++ b/RhSolutions.AddIn/Tools/MergeTool.cs
@@ -18,7 +18,7 @@ internal class MergeTool : Tool
         IFileDialog dialog = RhSolutionsAddIn.ServiceProvider.GetRequiredService<IFileDialog>();
         string[] files = dialog.GetFiles();
         _reader = _readerFactory.GetReader("Excel");
-        _writer = _writerFactory.GetWriter("Excel");
+        _writer = _writerFactory.GetWriter("NewPrice");
         var products = _reader.ReadProducts(files);
         _writer.WriteProducts(products);
     }
diff --git a/RhSolutions.AddIn/Tools/ProgressBar.cs b/RhSolutions.AddIn/Tools/ProgressBar.cs
index 709f28c..8517ecc 100644
--- a/RhSolutions.AddIn/Tools/ProgressBar.cs
+++ b/RhSolutions.AddIn/Tools/ProgressBar.cs
@@ -7,7 +7,7 @@ namespace RhSolutions.Tools;
 #if !NET472
 [SupportedOSPlatform("windows")]
 #endif
-internal class ProgressBar : StatusbarBase
+public class ProgressBar : StatusbarBase
 {
     private double CurrentProgress { get; set; }
     private readonly double TaskWeight;
diff --git a/RhSolutions.AddIn/Tools/ResultBar.cs b/RhSolutions.AddIn/Tools/ResultBar.cs
index b14f307..4978ea3 100644
--- a/RhSolutions.AddIn/Tools/ResultBar.cs
+++ b/RhSolutions.AddIn/Tools/ResultBar.cs
@@ -8,7 +8,7 @@ namespace RhSolutions.Tools;
 #if !NET472
 [SupportedOSPlatform("windows")]
 #endif
-internal class ResultBar : StatusbarBase
+public class ResultBar : StatusbarBase
 {
     private int Success { get; set; }
     private int Replaced { get; set; }
diff --git a/RhSolutions.AddIn/Tools/StatusbarBase.cs b/RhSolutions.AddIn/Tools/StatusbarBase.cs
index fe30eaa..bcfd43a 100644
--- a/RhSolutions.AddIn/Tools/StatusbarBase.cs
+++ b/RhSolutions.AddIn/Tools/StatusbarBase.cs
@@ -11,7 +11,7 @@ namespace RhSolutions.Tools;
 #if !NET472
 [SupportedOSPlatform("windows")]
 #endif
-internal abstract class StatusbarBase : IDisposable
+public abstract class StatusbarBase : IDisposable
 {
     protected Application Excel = RhSolutionsAddIn.Excel;
 
diff --git a/RhSolutions.Tests/CanDoGuess.cs b/RhSolutions.Tests/CanDoGuess.cs
index ff13106..a43c92e 100644
--- a/RhSolutions.Tests/CanDoGuess.cs
+++ b/RhSolutions.Tests/CanDoGuess.cs
@@ -25,7 +25,7 @@ public class CanDoGuess : IDisposable
         Worksheet sourceSheet = Util.Workbook.Worksheets[1];
         RhSolutionsAddIn.Configuration.SetPriceListPath(Path.GetFullPath(@"..\..\..\TestWorkbooks\TargetSpecificationGuess.xlsx"));
         var products = _guessReader.ReadProducts(new[] { sourceSheet });
-        var _writer = new ExcelWriter(Util.Application, RhSolutionsAddIn.Configuration);
+        var _writer = new NewPriceWriter(Util.Application, RhSolutionsAddIn.Configuration);
         _writer.WriteProducts(products);
         Worksheet targetSheet = Util.Application.ActiveWindow.ActiveSheet;
         var targetProducts = _reader.ReadProducts(new[] { targetSheet });
@@ -42,7 +42,7 @@ public class CanDoGuess : IDisposable
         Worksheet sourceSheet = Util.Workbook.Worksheets[1];
         RhSolutionsAddIn.Configuration.SetPriceListPath(Path.GetFullPath(@"..\..\..\TestWorkbooks\TargetSpecificationGuessOneRow.xlsx"));
         var products = _guessReader.ReadProducts(new[] { sourceSheet });
-        var _writer = new ExcelWriter(Util.Application, RhSolutionsAddIn.Configuration);
+        var _writer = new NewPriceWriter(Util.Application, RhSolutionsAddIn.Configuration);
         _writer.WriteProducts(products);
         Worksheet targetSheet = Util.Application.ActiveWindow.ActiveSheet;
         var targetProducts = _reader.ReadProducts(new[] { targetSheet });
diff --git a/RhSolutions.Tests/CanWriteProducts.cs b/RhSolutions.Tests/CanWriteProducts.cs
index e6868fc..50ce662 100644
--- a/RhSolutions.Tests/CanWriteProducts.cs
+++ b/RhSolutions.Tests/CanWriteProducts.cs
@@ -23,7 +23,7 @@ public class CanWriteProducts : IDisposable
         Worksheet sourceSheet = Util.Workbook.Worksheets[1];
         RhSolutionsAddIn.Configuration.SetPriceListPath(Path.GetFullPath(@"..\..\..\TestWorkbooks\TargetSpecification.xlsx"));
         var products = _reader.ReadProducts(new[] { sourceSheet });
-        var _writer = new ExcelWriter(Util.Application, RhSolutionsAddIn.Configuration);
+        var _writer = new NewPriceWriter(Util.Application, RhSolutionsAddIn.Configuration);
         _writer.WriteProducts(products);
         Worksheet targetSheet = Util.Application.ActiveWindow.ActiveSheet;
         var targetProducts = _reader.ReadProducts(new[] { targetSheet });
@@ -40,7 +40,7 @@ public class CanWriteProducts : IDisposable
         Worksheet sourceSheet = Util.Workbook.Worksheets[1];
         RhSolutionsAddIn.Configuration.SetPriceListPath(Path.GetFullPath(@"..\..\..\TestWorkbooks\TargetSpecificationMultipleProductLines.xlsx"));
         var products = _reader.ReadProducts(new[] { sourceSheet });
-        var _writer = new ExcelWriter(Util.Application, RhSolutionsAddIn.Configuration);
+        var _writer = new NewPriceWriter(Util.Application, RhSolutionsAddIn.Configuration);
         _writer.WriteProducts(products);
         Worksheet targetSheet = Util.Application.ActiveWindow.ActiveSheet;
         var targetProducts = _reader.ReadProducts(new[] { targetSheet });
@@ -57,7 +57,7 @@ public class CanWriteProducts : IDisposable
         Worksheet sourceSheet = Util.Workbook.Worksheets[1];
         RhSolutionsAddIn.Configuration.SetPriceListPath(Path.GetFullPath(@"..\..\..\TestWorkbooks\TargetSpecificationNotFound.xlsx"));
         var products = _reader.ReadProducts(new[] { sourceSheet });
-        var _writer = new ExcelWriter(Util.Application, RhSolutionsAddIn.Configuration);
+        var _writer = new NewPriceWriter(Util.Application, RhSolutionsAddIn.Configuration);
         _writer.WriteProducts(products);
         Worksheet targetSheet = Util.Application.ActiveWindow.ActiveSheet;
 
@@ -72,7 +72,7 @@ public class CanWriteProducts : IDisposable
         Worksheet sourceSheet = Util.Workbook.Worksheets[1];
         RhSolutionsAddIn.Configuration.SetPriceListPath(Path.GetFullPath(@"..\..\..\TestWorkbooks\TargetSpecificationReplaced.xlsx"));
         var products = _reader.ReadProducts(new[] { sourceSheet });
-        var _writer = new ExcelWriter(Util.Application, RhSolutionsAddIn.Configuration);
+        var _writer = new NewPriceWriter(Util.Application, RhSolutionsAddIn.Configuration);
         _writer.WriteProducts(products);
         Worksheet targetSheet = Util.Application.ActiveWindow.ActiveSheet;
         var targetProducts = _reader.ReadProducts(new[] { targetSheet });
@@ -94,7 +94,7 @@ public class CanWriteProducts : IDisposable
         Worksheet sourceSheet = Util.Workbook.Worksheets[1];
         RhSolutionsAddIn.Configuration.SetPriceListPath(Path.GetFullPath(@"..\..\..\TestWorkbooks\TargetSpecificationNewVariant.xlsx"));
         var products = _reader.ReadProducts(new[] { sourceSheet });
-        var _writer = new ExcelWriter(Util.Application, RhSolutionsAddIn.Configuration);
+        var _writer = new NewPriceWriter(Util.Application, RhSolutionsAddIn.Configuration);
         _writer.WriteProducts(products);
         Worksheet targetSheet = Util.Application.ActiveWindow.ActiveSheet;
         var targetProducts = _reader.ReadProducts(new[] { targetSheet });
diff --git a/RhSolutions.Tests/RealPricelistTest.cs b/RhSolutions.Tests/RealPricelistTest.cs
index ba8cb68..9ff3a25 100644
--- a/RhSolutions.Tests/RealPricelistTest.cs
+++ b/RhSolutions.Tests/RealPricelistTest.cs
@@ -23,7 +23,7 @@ public class RealPricelistTest : IDisposable
         Worksheet sourceSheet = Util.Workbook.Worksheets[1];
         RhSolutionsAddIn.Configuration.SetPriceListPath(Path.GetFullPath(@"..\..\..\TestWorkbooks\RealTargetSpecification.xlsx"));
         var products = _reader.ReadProducts(new[] { sourceSheet });
-        var _writer = new ExcelWriter(Util.Application, RhSolutionsAddIn.Configuration);
+        var _writer = new NewPriceWriter(Util.Application, RhSolutionsAddIn.Configuration);
         _writer.WriteProducts(products);
         Worksheet targetSheet = Util.Application.ActiveWindow.ActiveSheet;
         targetSheet.Range["A1"].Formula = "=SUM(H:H)";