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Category Archives: Office
Microsoft 365 Local and Azure Local available
[German]Microsoft started to offer Microsoft 365 Local to customers who operate an Azure Local infrastructure. This is a scenario in which the Office 365 apps run on the local Azure structure. It's a strategy to hold up the move to … Continue reading
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
Outlook New: Microsoft extends opt-out period for companies until 2027
[German]The option for companies to defer use of the Outlook New app to Outlook Classic was originally scheduled to end in April 2026. Microsoft has now postponed this date by 12 months to March 2027.
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.
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
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 ...
Patchday: Microsoft Office Updates (February 10, 2026)
On February 10, 2026 (the second Tuesday of the month, Microsoft Patch Day), Microsoft released several security updates for Microsoft Office. This month, a serious vulnerability in Word was fixed (see also the blog post Microsoft Security Update Summary (February … Continue reading
Microsoft faces criticism over Office formats
At the moment, Europe is desperately searching for alternatives to US software. LibreOffice is often mentioned as an alternative to Microsoft Office. Here in the blog, I keep hearing "There is no alternative to Microsoft Office because only their applications … Continue reading
Microsoft Security Update Summary (February 10, 2026)
On February 10, 2026, Microsoft released security updates for Windows clients and servers, Office, and other products. The security updates address 54 vulnerabilities (CVEs), eight of which are critical, six of which were classified as zero-day vulnerabilities, and one of … Continue reading
Posted in Office, Software, Update, Windows
Tagged Office, Patchday 2.2026, Security, Update, Windows
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Microsoft Office 0-day vulnerability CVE-2026-21509; Emergency updates available
Microsoft Office 2016 to 2024 and Office 365 apps contain a zero-day vulnerability (CVE-2026-21509) that is being actively exploited in attacks. On January 26, 2026, Microsoft published initial information (also about mitigations) and emergency updates for Microsoft Office.
Outlook New app no longer launches (since Dec. 5, 2025); workaround
An update to the new Outlook app, rolled out on December 5, 2025, causes issues. After that update, users recognized, that the app no longer starts. Clicking on the icon does nothing. Many users seems to be affected.