Outlook – The delegate page is not available

Users can’t view delegate permissions in Microsoft Outlook in Microsoft 365. OR You select the Delegate Access button on the Account Settings menu in Microsoft Outlook 2010/13/16/19.

Additionally, they receive the following error message:

The Delegates page is not available. Cannot access the Outlook folder.

1. Sign in to the mailbox through OWA.
2. Open the calendar.
3. Select Share from the menu at the top.
4. Enter a user or group, and then select Delegate  from the drop-down menu.
5. Select Share, and then select Done.

If this solution not solve the error you need to Clean all your Outlook Rules :

1. Export Outlook Rules (you can try to import later)

1. close outlook
2. Run outlook using ‘Outlook /Cleanrules‘ Switch;
3. Try to open

SHMUEL H.