Fix: Excel Security Warning When Opening Files in OneDrive

Microsoft Aware of Security Prompt When Opening Excel Files in OneDrive for Business Users of Microsoft Excel are encountering a security prompt when opening files from SharePoint or OneDrive for Business, a known issue acknowledged by Microsoft. The prompt, reading "This content presents a potential security issue. Do you trust this content?", appears for both .xls and .xlsx files in Excel 2019 versions 2309 and 2406. Excel 2021 users seem unaffected. While identified as a "service degradation," the prompt serves as a temporary measure for another underlying issue. Microsoft is working on a permanent solution expected to roll out by August 13, 2024 . Temporary Workarounds: Until the fix arrives, users can try the following workaround: 1. Mark SharePoint/OneDrive as a Trusted Site: Search for "Internet Options" in the taskbar. Go to the "Security" tab. Click "Trusted Sites," then "Sites." Add your SharePoint site address (e.g., https:…