Block syncing of specific file types

You can prevent users from syncing specific file types when they sync their OneDrive for Business files.

To block syncing of specific file types

  1. Open the OneDrive admin center, and click the Sync tab.

    The Sync tab of the OneDrive admin center
  2. Select the Block syncing of specific file types check box.

  3. Click Edit.

  4. Type the file name extensions you want to block, for example: exe or mp3. IMPORTANT: Do not include the periods with the extensions, or any other punctuation, spaces, or special characters.

  5. Click Save on the Sync page.

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Use the new OneDrive admin center

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