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Channel Power Apps - Guests do not see the data

Hi everyone,


I am building an app through the Power Apps application inside Teams.

That app is set in a Teams channel and is to be used by the community of that channel, which includes guests.

Some set of data should be accessible by everyone, some are personnal, some should be accessed only by specific people.


I see 3 possibility in terms of data storage :

Sharepoint List, Existing Dataverse, Own application table


Sharepoint List :

Everyone has access to the Lists data in Sharepoint.
For the app to work, at least all users must have read access.


Dataverse :

Guests do not have access, I get a message : you are not authorized to see the data.


Power App Table

That is an equivalent to the Dataverse, but no data is retreived from a guest account, and no error message as well.


Question 1 : no choice other than using sharepoint Lists ?

Question 2 : When a Power App creates its own table, where do I find it ? In my case, it does not show up in the list of tables of my environment.


Many thanks for your help !





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