Trying to add a new user to the 365 portal returned the error that the desired email address was already in use, but...
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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...
External forwarding in Microsoft 365
If you have previously, or recently, added a forward to an external address on one of your 365 hosted mailboxes you...
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...
Updating PowerShell module fails with “cannot convert value” error
When I was recently using the Exchange Online PowerShell module it repeatedly told me I was using an out-of-date...
Send Veeam notifications via 365
With the advent of more "modern" and secure authentication methods being demanded by the main email service...
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...
Set alternate email address for 365 accounts
Within your 365 tenant you can use the 'Alternate email address' field for each user to identify where to send links...
Microsoft Teams web client is disabled
Someone was struggling to log in to Teams via a web browser. After doing a sanity check that they did indeed have a...
Change Office updates to semi-annual channel
By default when you install Office (365 or 201x) it joins the 'monthly' update channel where you will receive all...
M365 mailbox usage report
You can quickly see the size of the mailboxes in use within your 365 tenant via the 365 Admin Center. Login as a...
Calendar checking tool for Outlook
The Calendar Checking Tool for Outlook is a command-line program that checks Outlook Calendars for problems. To use...