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Using 'classic' Outlook with the 'new' Teams can sometimes cause an issue with the Teams add-in. The add-in appears to...
Teams add-in not showing buttons in classic Outlook toolbars
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Outlook
365 Resource mailbox wrong timezone for working hours
A newly created room (resource) mailbox in M365 then appeared for a user with the working hours set to the wrong time...
A program is trying to access Outlook email address information
If you receive a slightly alarming, but somewhat random, error along the lines of "A program is trying to access...
Enable Modern Authentication for Office/Outlook 2013
Although Office 2013 is shortly to reach its end-of-life (April 2023) it is still in fairly widespread use (from what...
Configure 365 calendar permissions via PowerShell
On occasion I've had to adjust permissions on a calendar for a shared mailbox (note, not a resource mailbox) whereby...
Save Sent Items and Deleted Items for shared mailbox in correct folders
By default in Outlook when you send, or delete, messages from a shared mailbox the sent/deleted item goes into your...
Calendar checking tool for Outlook
The Calendar Checking Tool for Outlook is a command-line program that checks Outlook Calendars for problems. To use...
Give read-only access to one or more mailbox folders
To give a user (read-only in this case) access to specific folders of another mailbox, without giving them full access...
Export Exchange mailbox to PST without Outlook
If you do not have access to a mailbox within Outlook (to facilitate a simple export to PST) you can do so via...
Outlook: Global Address List (offline) not updating
Recently had a few instances where clients running Outlook 2016 in cached mode (connected to O365 Exchange Online)...
Random missing items in Outlook folders
Recently had a case where the Sent Items folder in Outlook (cached mode) would not show any messages after a specific...
Outlook cannot copy folder because it may contain private items
A user was recently trying to copy a folder from a shared mailbox they had full access to but was prevented from doing...