Connect a shared Outlook calendar

A colleague's or room's calendar can appear under your connected Outlook account. You don't connect it as a second account. Ask the owner to share it with you, then tick Read shared calendars in SYNCDATE.

Set it upCopy Anchor Link

1. Ask the calendar owner or your Exchange admin to share the calendar with the Outlook account you will connect. For a room calendar, being able to book the room is different from having its calendar shared with you.
2. Accept the invitation or add the calendar in Outlook, and check that you can see its events there.
3. In SYNCDATE, open Settings → Accounts. When connecting another Outlook account, choose the calendar access before continuing to Microsoft. For an account that is already connected, open its menu and choose Calendar permissions. Tick Read shared calendars, or Edit shared calendars if you also need to write to it.
4. Microsoft may skip its consent screen if the permission was already approved.

Use the calendar in a syncCopy Anchor Link

Once the shared calendar appears in SYNCDATE, choose it as a source in a Push sync when you only have read access. Choose it as a target only when you selected Edit shared calendars and Outlook says you can edit that calendar. Your SYNCDATE setting never overrides the owner's sharing rights.

If it does not appearCopy Anchor Link

Check that the calendar is visible to the same account in Outlook, then check that Read shared calendars is selected under Calendar permissions. If Outlook itself will not open for a work account, ask your admin to check that it has a working Exchange Online mailbox. If Microsoft says it did not grant the chosen permission, your SYNCDATE setting stays unchanged; ask your tenant admin to approve it, then try again. See also Your work account needs admin approval.

For IT admins: the permissions behind each choiceCopy Anchor Link

You can connect an additional Outlook account with no calendar access. On Microsoft sign-in, SYNCDATE still requests Calendars.ReadWrite for your own calendars. Unchecking edit later stops SYNCDATE from writing, but Microsoft may retain an earlier grant until you revoke it in your Microsoft account or organization.

The app registration can list all four calendar scopes, and an admin may approve them for the tenant. SYNCDATE sends the scopes for the selection in the OAuth request. Admin approval does not share a room or colleague's calendar with anyone, and the consent screen does not let you choose individual calendars. Microsoft may show configured permissions beyond the selection on that screen.

Personal Microsoft accounts can consent to Calendars.Read.Shared. Microsoft does not list Calendars.ReadWrite.Shared as available for personal accounts. A work tenant's admin approval applies to work accounts in that tenant, even if a personal Microsoft account uses the same email address.

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