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Category Archives: Office
Microsoft 365: Semi-Annual Enterprise Channel (SAEC) is being discontinued
[German]A quick note for administrators of Microsoft 365 installations who have placed their users in the Semi-Annual Enterprise Channel (SAEC). This channel will be merged with the Monthly Enterprise Channel (MEC). Users will therefore be subjected to the flood of … Continue reading
Veeam Backup Issue with MS 365 Mailboxes due to the EWS retirement in March 2026
[German]A quick note to blog readers who use Veeam Backup 365. Back in November 2025, there were already issues with the integration between Veeam Backup and Microsoft 365 mailboxes. Now, a reader has once again reported the Veeam Backup issue … Continue reading
Outlook Classic: Email sending issue resolved
There was an issue sending emails in Outlook Classic when using a mailbox on outlook.com. This caused the operation to trigger an NDR error 0x80070005-0x0004dc-0x000524. The issue has since been resolved. I have added this information to the German post … Continue reading
Microsoft Outlook Classic: Workaround for crashes caused by the Teams Meeting add-in
[German]There is an issue with Outlook Classic where the client crashes on startup due to a faulty Microsoft Teams Meeting add-in. As far as I know, Microsoft is still investigating this problem. Below, I have compiled some workarounds for those … Continue reading
Microsoft Teams Meeting Add-in kills Microsoft Outlook Classic
[German]Microsoft is currently investigating a reported issue with Outlook Classic. There are user reports that using the Microsoft Teams Meeting add-in causes the Outlook Classic client to crash or become unusable.
Why ISL Online: Critical factors when choosing a remote desktop solution
[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...
Microsoft Outlook (2019, 2021, 365): Unable to connect to Exchange Online mailboxes
[German]A quick question for users and administrators who are still using Microsoft Outlook 2019 (support for Office 2019 expired in October 2025). I've received a report that it's currently no longer possible to connect to Exchange Online mailboxes. There have … Continue reading
Restructuring at Microsoft's Copilot division; forced Copilot app installation halted
[German]At Microsoft, the restructuring and reorganization of its AI division continues. Mustafa Suleyman is no longer directly responsible for the Copilot division. And Microsoft has apparently put a temporary halt to its attempt to roll out Copilot across all areas … Continue reading
Outlook classic: Microsoft fixes accented and extended characters question mark bug
[German]Since late January/early February 2026, users have been complaining that Outlook can no longer recognize umlauts and displays them as question marks. Microsoft appears to have recently fixed this issue in Outlook.
Outlook Classic: Microsoft investigates Sync and Connect issues
[German]Microsoft has confirmed two issues with Microsoft Outlook Classic that are currently under investigation. One issue involves a failed connection to Exchange servers when creating groups. The other issue concerns the synchronization of Outlook clients after a password has been … Continue reading
Patchday: Microsoft Office Updates (March 10 2026)
[German]On March 10, 2026 (the second Tuesday of the month, Microsoft Patch Day), Microsoft released several security updates for Microsoft Office. This month, serious vulnerabilities in Excel were fixed (see also the blog post Microsoft Security Update Summary (March 10, … Continue reading