I'm trying to connect an app with Excel (Online For Business).
It used to work, but now I see this error message:
This is a completely new app, and as you may see below, the connection to Excel isn't working anymore:
If anyone has any information about this, I'd appreciate.
Existing apps connected to Excel just stopped working...
I answered you over on this post - you are using the wrong connector - you need OneDrive for Business.
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