Software⏱️ 3 min read📅 2026-06-11

How to Fix: Archive Utility.app "Error identifying a writable temporary folder"

Error identifying a writable temporary folder in Archive Utility.app on Mac.

Quick Answer: Try running Archive Utility.app from the Terminal using the "-t" option to specify a different temp folder location.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🚀 How to Resolve This Issue
  3. ✨ Wrapping Up

The 'Archive Utility.app' error 'Error identifying a writable temporary folder' occurs when the application is unable to create a temporary folder to extract archived files. This issue affects users who have recently restored their Mac from a Time Machine backup and are trying to unzip files using Archive Utility.app.

This problem can be frustrating, especially when attempting to recover or access essential data. In this guide, we will walk you through the steps to resolve this issue and provide alternative solutions.

⚠️ Common Causes

  • The primary reason for this error is that the system's permission settings may have been altered during the Time Machine restore process, preventing Archive Utility.app from creating a writable temporary folder. This can occur when the restore process modifies the file system permissions or creates new user accounts with limited privileges.
  • Another possible cause is a corrupted or incomplete recovery of the Time Machine backup. In some cases, the archive may be damaged or partially restored, leading to issues with Archive Utility.app's ability to create a temporary folder.

🚀 How to Resolve This Issue

Repair Disk Permissions

  1. Step 1: Open Disk Utility and select your startup disk (usually 'Macintosh HD'). Click on the 'First Aid' tab and click the 'Run' button.
  2. Step 2: Once the repair process is complete, restart your Mac. This will ensure that any changes made to the file system permissions are applied.
  3. Step 3: After restarting, try using Archive Utility.app again to unzip files. If the issue persists, proceed with alternative methods.

Check and Revert Time Machine Backup Settings

  1. Step 1: Open the Terminal app and type the following command to check the file system permissions: `ls -l /tmp`.
  2. Step 2: If you find that the `/tmp` directory has limited permissions, try resetting them using the `chmod` command: `sudo chmod u+x /tmp`.
  3. Step 3: Next, open the Time Machine preferences in System Preferences and select your backup disk. Click on 'Restore' and then click 'Show Details'. Check if the backup settings are correct and revert to a previous restore point if necessary.

✨ Wrapping Up

If none of the above methods resolve the issue, you may need to seek further assistance from Apple Support or a professional repair service. It's also recommended to create a bootable recovery disk using an install disk and try repairing Disk Permissions again from there.

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