Tag Archives: Outlook

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

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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.

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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

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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.

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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

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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 ...


Outlook Classic: Bug hides mouse pointer (also in other MS 365 apps)

[German]Outlook Classic users are once again plagued by a silly bug that Microsoft has built into the software. The bug causes the mouse pointer to disappear unintentionally. It can also affect OneNote or other MS 365 apps. Microsoft has finally … Continue reading

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MC1234566 – Outlook "Contact Masking" will be discontinued on March 31, 2026

[German]Brief information for users and administrators who use Outlook 365. Microsoft recently announced that it will discontinue "contact masking" in Outlook on March 31, 2026.

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Outlook add-in steals ~ 4,000 login and payment details

Add-ins are ubiquitous as "software helpers." But there is a constant risk that such add-ins will suddenly have malicious functions implanted in them. A once popular Outlook add-in stole 4,000 login details and payment details after the developer abandoned the … Continue reading

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Microsoft Outlook: SVG images blocked; inline images not displayed

[German]By mid-October 2025, Microsoft will complete a security measure in Outlook that blocks SVG image files used in attacks. And one reader complained that certain images have not been displayed in his Outlook Classic for years.

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Outlook Light app will be discontinued

[German]A quick update for users of Microsoft's Outlook Lite app. Redmond has just announced that the app will be discontinued. It will be shut down on October 6, 2025.

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