[Outlook add-in] getCallbackTokenAsync failing to get Token about office-js

[Swathy-Mothilal]

@aelhennawy Would be happy to help. Unfortunately, we couldn't reproduce the issue. The manifest you've shared is locally hosted. Could you please provide a manifest that is hosted online so we can reproduce the issue?

[aelhennawy]

@Swathy-Mothilal Thanks for your reply. You can find the manifest through this url ""

Also in the console you can find a log message called "GET HEADERS" and below it the result of the Office.context.mailbox.getCallbackTokenAsync

Note: I don't know if this might help but I'm not subscribed to Microsoft 365.

[Swathy-Mothilal]

@aelhennawy Could you please clarify what type of account you have, as you mentioned you are not subscribed to Microsoft 365?

[aelhennawy]

@Swathy-Mothilal Yes i'm not subscribed. I have a normal outlook email without any subscriptions

[Swathy-Mothilal]

@aelhennawy Thanks for the confirmation. We don't support getCallbackTokenAsync for accounts that are not subscribed to M365.

[aelhennawy]

@Swathy-Mothilal Ok, thank you for the clarification.

[Aniruddha-Shriwant]

We don't support getCallbackTokenAsync for accounts that are not subscribed to M365.

@Swathy-Mothilal thanks for this info, is this documented somewhere? sorry couldn't find this info here: https://learn.microsoft.com/en-us/javascript/api/requirement-sets/outlook/preview-requirement-set/office.context.mailbox?view=common-js-preview#methods

[Swathy-Mothilal]

Yes, we will update the public documentation.