Re: "Excel found unreadbale" when using "Xlsx" format option

Aspose.Cells Product Family
1

We are having the same issue.

Just open an xltx file and save it as SaveFormat.Xltx. Microsoft excel will not be able to open the file.

2

Hi Craig,

Thanks for your posting and using Aspose.Cells.

Please download and use the latest version: Aspose.Cells
for .NET v8.0.2.3 it works fine and does not exhibit such an issue.

I have tested it with the following code and it worked fine. The output xltx (out.xltx) file opens fine in MS-Excel.

I have attached both source (book1.xltx) and output (out.xltx) files for your reference. Please remove .txt extensions from them.

C#


string filePath = @“F:\Shak-Data-RW\Downloads\Book1.xltx”;


Workbook workbook = new Workbook(filePath);

workbook.Save(“out.xltx”, SaveFormat.Xltx);