[German]With the Office 2016 update KB5002700 from April 8, 2025, users are facing problems with Office 2016 applications. The update caused crashes in Excel, Outlook and Word. On April 10, 2025, Microsoft released the KB5002623 update for Office 2016, which fixes these problems.
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Review of the Office 2016 update KB500270
Update KB5002700 fwas released on April 8, 2025. This update closes a number of security vulnerabilities (CVE-2025-29791, CVE-2025-29792, CVE-2025-29816, CVE-2025-27745, CVE-2025-27748, CVE-2025-27749 and CVE-2025-27752). The installation of the security update is urgently required.
However, installing the update caused the Office 2016 applications Excel, Outlook and Word to crash. I reported on the problems with Outlook in the blog post Outlook 2016: Calendar access blocked after April 2025 update KB5002700 and mentioned disabling weather integration as a workaround.
In the blog post Word/Excel 2016 crashing after April 2025 update KB5002700 crashes in Word 2016 and Excel 2016 were mentioned. There was a suspicion that a PDF plugin could be the cause. However, I have different feedback, for some readers it helped to change an Adobe PDF plugin in the settings, for others not.
Update KB5002623 fixes the issues
German blog reader Michael wrote in this comment on April 10, 2025 that Microsoft had probably released a fix that he had not yet tested and that does not appear in the WSUS.
Microsoft has published a support article on the Office 2016 update KB5002623 with more detailed information. The update only applies to the MSI installer versions of Microsoft Office 2016 and is intended to fix a known issue with the KB5002700 update for Microsoft Office 2016 from April 8, 2025. The known issue is that Microsoft Word 2016, Microsoft Excel 2016 and Microsoft Outlook 2016 no longer respond.
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You have to download and install the update via the links in the support article from the MS download area. In the meantime, several blog readers have confirmed in comments that the crashes in Microsoft Word 2016, Microsoft Excel 2016 and Microsoft Outlook 2016 no longer occur.
Similar articles:
Microsoft Security Update Summary (April 8, 2025)
Patchday: Windows 10/11 Updates (April 8, 2025)
Patchday: Windows Server-Updates (April 8, 2025)
Patchday: Microsoft Office Updates (April 8, 2025)
Word/Excel 2016 crashing after April 2025 update KB5002700
Outlook 2016: Calendar access blocked after April 2025 update KB5002700
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Hello Gunter:
A little note: This KB5002623 is not available in Portuguese-Brazil or another language yet, except english.
Thanks.