Category Archives: Office

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

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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

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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

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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

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Issues with Office Deployment Tool? Readiness Toolkit for Office VBA AddIns retired

[German]I'm putting two Microsoft Office-related topics in this blog post. A reader asked me whether there are any known problems with the Office Deployment Tool – in his environment there are suddenly crashes. In addition, Microsoft is retiring the Readiness … 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 ...


Microsoft Security Update Summary (January 9, 2024)

[German]On January 9, 2024, Microsoft released security updates for Windows clients and servers, for Office and for other products. The security updates eliminate 48 vulnerabilities (CVEs), two of which are critical vulnerabilities. Below is a compact overview of these updates … Continue reading

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Outlook: Desktop app does not show images; meeting text read-only (fix for August 2023 update issue)

[German]With the August 2023 security update, Microsoft closed the Outlook spoofing vulnerability CVE 2023 36893. As a result, the desktop application was no longer able to display images in meeting elements. In addition, the meeting text has been read-only since … Continue reading

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New Outlook client: Extended test in January 2024 for enterprises

[German]Microsoft plans to expand the test of the new Outlook app in the corporate environment in January 2024. The option to switch will be offered in the "semi-annual channel" of Microsoft Office 365. Administrators who do not wish to switch … Continue reading

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Office update KB5002500 from January 2, 2023 fixes OneNote 2016 sync problem

[German]On January 2, 2023 (first Tuesday of the month), Microsoft released a non-security update for Microsoft Office 2016. It is the update KB5002500, which is supposed to fix a synchronization problem in Microsoft OneNote 2016. Here is some information about … Continue reading

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Outlook 365 bug: Signature entries are automatically entered vertically when creating an email

[German]Before the end of the year, I will address a bug fix from Microsoft that was already fixed in November 2023. The bug affected Microsoft Outlook 365 and left users quite baffled. When you created a new email, the signature … Continue reading

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