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Category Archives: Office
Outlook: Update from December 2023 triggers .ics security warning
[German]Outlook users may be startled by a security warning when they try to open a calendar file (.ics). The cause is probably an update for Office 365 from December 12, 2023.
Outlook 365 Version 2401 (Build 17231.20194): Exchange ActiveSync connection broken
[German]Short message for users and administrators with Outlook 365 version 2401: Microsoft is investigating a problem that ActiveSync connections, e.g. with Microsoft Exchange, Zoho, Kerio Connect etc., no longer work with this version (build 17231.20194). Currently, the only option is … Continue reading
Microsoft Teams 2.0: Fix for missing Outlook add-in
[German]Administrators who install the new Microsoft Teams 2.0 client in companies tell me that the Outlook add-in is missing afterwards. It can be installed with a trick, but this is a lot of work. One reader got in touch afterwards … Continue reading
Office: Project Update KB5002530 (February 6, 2024)
[German]On February 6, 2023 (first Tuesday of the month), Microsoft released a non-security update for Microsoft Project 2016. It is the update KB5002530, which is intended to fix a startup problem of previous updates. Here is some information about this … Continue reading
Microsoft 365 services collide with Google Chrome third-party cookie blockade
[German]Google has been blocking third-party cookies in Google Chrome since the beginning of 2024 – and Edge is also likely to be affected. However, this will lead to collisions with Microsoft 365 services such as Teams, which will then no … Continue reading
Posted in browser, issue, Office, Software
Tagged Chrome, Edge, issue, Microsoft 365
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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 ...
Libre Office 24.2
The Document Foundation has released its Libre Office 24.2 on January 31, 2024. It is a free office package with spreadsheet, word processing and presentation program.
Outlook and other apps cannot connect to Outlook.com
[German]Microsoft is investigating a problem in which Outlook and probably other apps or applications are unable to connect to outlook.com or sporadic connect errors occur. It affects mail clients that want to access Microsoft mailboxes via POP or IMAP and … Continue reading
Calendar invitation in Outlook can reveal password (via CVE-2023-35636)
[German]Small addendum to the December 2023 patchday, during which an information disclosure vulnerability (CVE-2023-35636) was also closed. It has now become known that even the acceptance of a calendar invitation by a user can reveal their password. While this vulnerability … Continue reading
Microsoft IP addresses landed on blacklists (Jan. 2023)
[German]Brief note to the my readers, perhaps someone has observed something similar with customers or within its enterprise environments. It seems that some IP addresses that can be assigned to Microsoft mail servers have ended up on blacklists. It may … Continue reading
New Outlook app: "Monitoring and surveillance tool for targeted advertising"
[German]The new Microsoft Outlook app is a data protection disaster and a GDPR no-go. Following the revelation that the app transfers access data for accounts and content to Microsoft's cloud, mail vendor Proton took a closer look at the app. … Continue reading


