An XLSM file is a macro-enabled spreadsheet created by Microsoft Excel. We are assuming that the XLSM generated attachments are safe.
We will create and share an AD GPO ‘uit-adobe-xlsm’, which you can then apply to your computers. The AD GPO will be available by Thursday August 20 at 8:00 a.m.
The AD GPO addresses this issue and allows users to open those types of files within: