To make the office integration work, office app parameters must be specified correctly. However, these depend on office settings which are specific per tenant. When you have users from multiple tenants cooperating on 1 FinOps environment, this might be an issue.

For example: in our case company A has opened appsource for all employees but company B offers employees no access to appsource. To make it work for B, office app parameters must be set to "centralized deployment" but this will bust integration for A. It should be possible to specify parameters per tenant/domain

App parameters tab on the Office App Parameters page change the App ID, Store, and Store Type:

App ID: 61bcc63f-b860-4280-8280-3e4fb5ea7726
Store: EXCatalog
Store Type: Centralized Deployment

update the office app parameter as below

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