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Password protection for read /write not working in server

Hi Team
Aspose.cells
My intention is the Protect password for read ./write working for excel file is working in local , we deployed
suported dlls in server . the Password protection for excel files not working in server,

@harieswer,

Thanks for your query.

Well, that is strange. Aspose.Cells only needs .NET framework version to be installed on the system, it works seamlessly on any OS (whether on client or server), see the System Requirements page for your reference:
https://docs.aspose.com/display/cellsnet/System+Requirements

Do you use same spreadsheet and Aspose.Cells.Dll on the server environment? Do you find any exception? Please make sure you are using our latest version/fix: Aspose.Cells for .NET v18.5.1 on your server:

If you still find the issue with v18.5.1 on the system, we need your sample code (runnable) with template file or preferably a sample console application (you may zip the project prior attaching it here) to reproduce the issue on our end, we will check it soon.