How to access a shared mailbox in Microsoft 365

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1

As I just had a very frustrating experience trying to get access to my shared mailboxes, I want to share how I managed to do it in the end.

The only way I could find so far to reliably access is by using the "Microsoft 365 Email - Make an API Call” module. However, to be able to access shared mailboxes, you need to manually add two permissions/ scopes. Either while creating a new connection via the advanced options, or by editing an existing connection, add the two Scopes, ‘Mail.Read.Shared’ and ‘Mail.ReadWrite.Shared’. Then paste the url /v1.0/users/SHARED@MAILBOX.com/messages and you should be now able to use the filter function of the graph API to get the message you are interested in.

3

Hello,

The Microsoft 365 Email app is managed by Make.

Please contact support and share your problem and solution - maybe they will be able to add it to their roadmap and update modules to work with shared mailboxes in future.
Right now your workaround is the only possible solution.