# Slow Creation of ZIP-Files

**URL:** https://resource.dopus.com/t/slow-creation-of-zip-files/43905
**Category:** Help & Support
**Tags:** bug-report
**Created:** [March 9, 2023, 4:01pm UTC](https://resource.dopus.com/t/slow-creation-of-zip-files/43905 "2023-03-09T16:01:57Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![Leo](https://resource.dopus.com/user_avatar/resource.dopus.com/leo/32/69732_2.png) [@Leo](https://resource.dopus.com/u/Leo)
#### Post date: [March 9, 2023, 4:06pm UTC](https://resource.dopus.com/t/slow-creation-of-zip-files/43905/2 "2023-03-09T16:06:06Z")

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We plan to improve this in the near-ish future, but there's a workaround here for now:

> [@ZIP compression level ignored](https://resource.dopus.com/t/zip-compression-level-ignored/24578/3):
>
> (Edit: This should no longer be needed with Opus 13.) Using "single" currently switches Opus into using a non-batch mode, where the archive is opened and closed for each file that is added, making it a lot slower if there are a lot of files to add t…

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_[View the full topic](https://resource.dopus.com/t/slow-creation-of-zip-files/43905)._