"The save failed due to lack of memory or disk space"

Katherine Garry 20 Reputation points
2026-08-08T21:59:32.8066667+00:00

Every time I try to save a document it says "The save failed due to lack of memory or disk space"

I have lots of space left on my mac and can't seem to resolve this issue

Microsoft 365 and Office | Word | For home | MacOS
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Answer accepted by question author
Bob Jones AKA CyberTaz MVP 437.7K Reputation points
2026-08-09T00:18:38.47+00:00

Office being updated is important but the most important step is to confirm that the version of macOS is fully updated. All disk management operations are owned by the OS. Additionally, run the Apple Disk Utility - First Aid routine on the startup volume. See this Apple KB if you need directions: Disk Utility

Other considerations include:

  • The location you're attempting to save to,
  • Whether a variety of other programs are running, &
  • Any Add-Ins or background operations may be interfering with the Save operation.

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  1. AI answer

    2026-08-08T21:59:47.93+00:00

    On Mac, this save failure can happen even when plenty of storage is available because Office creates a temporary file during save or autosave, and an environmental interruption can break that process.

    Try these steps in order:

    1. Update Office for Mac
      • Open Word.
      • Select Help > Check for Updates.
      • Set updates to Automatically if available.
      • Select Check for Updates and install the latest update.
    2. Test saving a new file
      • Create a new blank Word document.
      • Try saving it to a simple local location such as the Desktop.
      • If that works, the issue may be related to the original file rather than Word itself.
    3. Copy content into a new document
      • Open the affected document.
      • Copy all content.
      • Paste it into a new Word document.
      • Try saving the new document.
    4. Restart the Mac and try again
      • A restart can clear temporary conditions that interrupt the save process.
    5. If the problem affects Excel too, check for common save blockers
      • Antivirus software can interrupt the save process. Temporarily disable it and test saving again.
      • If saving to an external or network location, save to an alternative local drive location first.

    If the issue continues after updating Office and testing with a new local file, contact support.

    References:

    AI-generated content may be incorrect. Read our transparency notes for more information.

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