Title: Part Files
Last modified: July 30, 2025

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# Part Files

 *  Resolved [FireFlyWebs](https://wordpress.org/support/users/fireflywebs/)
 * (@fireflywebs)
 * [11 months, 3 weeks ago](https://wordpress.org/support/topic/part-files/)
 * Why do the downloads show part files? What are these? This is happening in more
   than one account that I manage. Are they valid files? Or Errors?
 * See image: [https://fortsan.ca/wp-content/uploads/2025/07/PartFiles.jpg](https://fortsan.ca/wp-content/uploads/2025/07/PartFiles.jpg)
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fpart-files%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Support [Saransh](https://wordpress.org/support/users/saranshwpm/)
 * (@saranshwpm)
 * [11 months, 3 weeks ago](https://wordpress.org/support/topic/part-files/#post-18577275)
 * Hi,
 * Thanks for sharing the screenshot. Those .zip.part files are **temporary chunks**
   created during the backup process when the archive is large (usually over 1GB).
   Ideally, once the backup finishes successfully, these parts are automatically
   merged into a single .zip file and the .part files are deleted.
 * However, if the job fails or is interrupted midway, the parts remain on the server
   and that’s why you’re seeing both the final .zip file and leftover .zip.part 
   files.
 * They’re not usable as-is and are safe to delete manually.
 * You can try a few things to reduce the chance of this happening again:
    - Go to **BackWPUp > Settings > Jobs**, and set **Reduce server load** to _medium_
    - Under archive type, switch from **ZIP** to **Tar GZip** (in some setups this
      is more stable for large files)
    - Please try splitting the big backup job into smaller ones; I believe it will
      help.
 * Best Regards,

Viewing 1 replies (of 1 total)

The topic ‘Part Files’ is closed to new replies.

 * ![](https://ps.w.org/backwpup/assets/icon-256x256.png?rev=3236141)
 * [BackWPup – WordPress Backup & Restore Plugin](https://wordpress.org/plugins/backwpup/)
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 * 1 reply
 * 2 participants
 * Last reply from: [Saransh](https://wordpress.org/support/users/saranshwpm/)
 * Last activity: [11 months, 3 weeks ago](https://wordpress.org/support/topic/part-files/#post-18577275)
 * Status: resolved