New answers tagged co-authoring
Check in - check out feature in the document library needs to be turned OFF. Also 1.The file is using Information Rights Management (IRM) or Digital Rights Management (DRM). 2.The file is encrypted. 3.The file format is not supported. Only .docx and .pptx file formats are supported. 4.The file is marked as final. The file owner has decided to stop the ...
Macros are not supported in Excel Online, you either need to remove the macros to allow editing in Excel Online or use the client exclusively for those files.
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