Hello,
Thanks for your inquiry.
Are you using the latest version of Spire.Xls? If not, please update to it and have a test, you can download the latest version from the following link. If the issue still exists after update to the latest version, please offer the following messages, thanks for your assistance in advance.
1) Your input document.
2) Your full test code that can reproduce your issue.
3) Application type, such as Console App, .NET Framework 4.8 or JDK 1.8.
Spire.XLS Pack(Hotfix) Version:12.9.2:
https://www.e-iceblue.com/Download/down ... t-now.htmlSpire.XLS for Java Version:12.9.1:
https://www.e-iceblue.com/Download/xls-for-java.htmlSincerely
Abel
E-iceblue support team