MapFormats - Microsoft Data Formats (grayed out)

Hello, in Feflow, “Microsoft Data Formats” cannot be activated under MapFormats, which means that xls files can no longer be imported. All other dlls can be selected and deselected. “Microsoft Data Formats” remains grayed out. What could be the reason for this? The dll specified for this (MSPlugin20.dll) is available in the folder (version 6.1.54.0).

Dear Dario, This was an old bug on Microsoft Access, which caused FEFLOW to crash. A better handling has been implemented already years ago, you should try to update your FEFLOW installation. If this problem persists, please reach out technical support at mike@dhigroup.com. Best regards Carlos