diff --git a/src/MiniExcel.Core/OpenXml/OpenXmlConfiguration.cs b/src/MiniExcel.Core/OpenXml/OpenXmlConfiguration.cs
index b3de0395..dd9088da 100644
--- a/src/MiniExcel.Core/OpenXml/OpenXmlConfiguration.cs
+++ b/src/MiniExcel.Core/OpenXml/OpenXmlConfiguration.cs
@@ -17,6 +17,7 @@ public class OpenXmlConfiguration : MiniExcelBaseConfiguration
     public bool EnableWriteNullValueCell { get; set; } = true;
     public bool WriteEmptyStringAsNull { get; set; } = false;
     public bool TrimColumnNames { get; set; } = true;
+    public bool TrimSheetNames { get; set; } = false;
     public bool IgnoreEmptyRows { get; set; } = false;
     public bool EnableSharedStringCache { get; set; } = true;
     public long SharedStringCacheSize { get; set; } = 5 * 1024 * 1024;
diff --git a/src/MiniExcel.Core/OpenXml/OpenXmlWriter.DefaultOpenXml.cs b/src/MiniExcel.Core/OpenXml/OpenXmlWriter.DefaultOpenXml.cs
index fc3e8ca2..e47188bc 100644
--- a/src/MiniExcel.Core/OpenXml/OpenXmlWriter.DefaultOpenXml.cs
+++ b/src/MiniExcel.Core/OpenXml/OpenXmlWriter.DefaultOpenXml.cs
@@ -9,6 +9,7 @@ internal partial class OpenXmlWriter : IMiniExcelWriter
 {
     private readonly Dictionary<string, ZipPackageInfo> _zipDictionary = [];
     private Dictionary<string, string> _cellXfIdMap;
+    private const int MaxCharactersSheetName = 31;
     
     private IEnumerable<Tuple<SheetDto, object?>> GetSheets()
     {
@@ -44,6 +45,11 @@ internal partial class OpenXmlWriter : IMiniExcelWriter
 
     private ExcellSheetInfo GetSheetInfos(string sheetName)
     {
+        if (_configuration.TrimSheetNames)
+        {
+            sheetName = sheetName[..Math.Min(sheetName.Length, MaxCharactersSheetName)];
+        }
+        
         var info = new ExcellSheetInfo
         {
             ExcelSheetName = sheetName,
diff --git a/tests/MiniExcel.Core.Tests/MiniExcelIssueTests.cs b/tests/MiniExcel.Core.Tests/MiniExcelIssueTests.cs
index 3c912ef9..42c184f4 100644
--- a/tests/MiniExcel.Core.Tests/MiniExcelIssueTests.cs
+++ b/tests/MiniExcel.Core.Tests/MiniExcelIssueTests.cs
@@ -3690,4 +3690,31 @@ public void TestIssue869(string fileName, DateOnlyConversionMode mode, bool thro
             }
         }
     }
+    
+    [Theory(DisplayName = "#876: Enabling trimming only trims too long values when enabled")]
+    [InlineData("ShortName", false, "ShortName")]
+    [InlineData("SomeVeryLongNameWithMoreThan32Characters", false, "SomeVeryLongNameWithMoreThan32Characters")]
+    [InlineData("ShortName", true, "ShortName")]
+    [InlineData("SomeVeryLongNameWithMoreThan32Characters", true, "SomeVeryLongNameWithMoreThan32C")] // Trimmed to 31 chars
+    public async Task TestIssue876(string sheetName, bool trimSheetName, string sheetNameToReadWith)
+    {
+        // Arrange
+        var exporter = MiniExcel.Exporters.GetOpenXmlExporter();
+        var someTable = new[] 
+        {
+            new { Name = "Jack", Age = 25 }, 
+        };
+        var sheets = new Dictionary<string, object>
+        {
+            [sheetName] = someTable
+        };
+        var outputPath = PathHelper.GetTempFilePath();
+        
+        // Act
+        await exporter.ExportAsync(outputPath, sheets, configuration: new OpenXmlConfiguration{ TrimSheetNames = trimSheetName});
+        
+        // Assert
+        var resultsFromTrimmedSheet = MiniExcel.Importers.GetOpenXmlImporter().Query(outputPath, sheetName: sheetNameToReadWith);
+        Assert.Equal(2, resultsFromTrimmedSheet.Count()); // 2, header and one record
+    }
 }
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