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Good day Aspose team,

I am experiencing an issue with a few excel documents when saving them as HTML.

The .Save method never returns or throws error, it just “hangs”.

I have updated to the latest NuGet package for Aspose.Cells (, but this problem still persists.

I have attached one of the documents on which this problem occurs,

A few points to note with code that might assist.
var saveoptions = new Aspose.Cells.HtmlSaveOptions();
saveoptions.ExportImagesAsBase64 = false;
var workBook = new Workbook(new MemoryStream(fileBytes));
never returns ===> workBook.Save($"{dir}</span>{previewFilename}.html", Aspose.Cells.SaveFormat.Html);


Thanks for your posting and using Aspose.Cells.

We were able to replicate this issue with the following sample code using the latest version: Aspose.Cells for .NET v16.10.1.0 and found that it is unable to convert your excel file into html.

We have logged this issue in our database for investigation. We will look into it and fix this issue. Once the issue is resolved or we have some other update for you, we will let you know asap.

This issue has been logged as

  • CELLSNET-44819 - Unable to save source excel file into html and it gets timeout

Workbook workBook = new Workbook(“s1.xlsx”);
workBook.Save(dirPath + “abc.html”, Aspose.Cells.SaveFormat.Html);

Thank you. Looking forward to your findings.

Hi again,

This is to update you that the ticket logged earlier as CELLSNET-44819 has been marked resolved. We will shortly share the fix here for your testing.

The issues you have found earlier (filed as CELLSNET-44819) have been fixed in this update.

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