Forum Discussion
Can't open document shared with me in Word desktop application
I have access to an organisation's SharePoint Online environment via the partner access option. I can open Office documents in the browser, but when I try to open in the desktop applications, I just ...
You are only a Guest User or an External User on SharePoint Online:
External users can perform the following tasks:
Use Office Online for viewing and editing documents. If your plan includes Office Pro Plus, they will not have the licenses to install the desktop version of Office on their own Computers.
That's all you can only viewing and editing documents Online.