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Reinstall OneDrive and check if the issue is gone.Check if there’s a OneDrive folder under your name and remove it.Delete the OneDrive folder stored locally.If the two folders below are visible on your machine, drag them to Trash:.Navigate to /Users/UserName/Library/Containers.Open the Applications folder and drag OneDrive to Trash.Click on the OneDrive icon, select Preferences, go to About, and click the Unlink option.After that, double-click on mand (or mand).Then right-click on OneDrive and select Show Package Contents.The tool will automatically complete the folder path for you. Type cd followed by a space, and then drag the problematic folder into Terminal.Locate the problematic file or folder and go back to Terminal.Enter your admin credentials, if prompted. This will give you super-user (root) permissions in Terminal. Enter sudo ls, and hit the Return key.Go to Finder, navigate to Applications, and select Utilities.If these files got corrupted, OneDrive won’t be able to sync your files and folders correctly. If the problem persists, try removing your. Restart OneDrive, link your Mac to OneDrive again, and check the results. Go to OneDrive Settings, and click on the Account tab. If you’re running out of storage space, delete some of your largest files. Make sure you have enough space on your computer to download the problematic file. For more information on the limitations that apply to OneDrive file names and file types, go to Microsoft’s support page. While your MacBook may support the respective characters, OneDrive is actually pretty picky when it comes to file names. Check the File NameĪdditionally, check the problematic file and rename it if the file name includes special characters.
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So, go to the App Store, download the latest OneDrive version and check if error -49 is gone. As a quick reminder, neither macOS Catalina nor Big Sur supports 32-bit apps. If you’re using an old Office for Mac version, install the 64-bit version. How to Fix OneDrive Error Code -49 on Mac Check Your App Versionįirst things first, make sure you’re running the 64-bit app version.
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