@xuerui
Aspose.Cells does not export underline setting , but browsers automatically add underline for hyperlinks.
I have logged a ticket with an id “CELLSJAVA-44332” ,we will look into this issue ASAP.
This is to inform you that your issue has been resolved. The fix will be included in our upcoming release, Aspose.Cells for .NET 22.3. The next release will be released in the second week of March 2022. You will also be notified when a new release is published.
The issues you have found earlier (filed as CELLSJAVA-44332) have been fixed in this update. This message was posted using Bugs notification tool by Peyton.Xu