The File Extensions Database


.ZW1 File Extension

  • Developer by: EPLAN Software & Service GmbH & Co. KG
  • Category: Backup Files

What is an .ZW1 file?

.ZW1 is EPLAN project backup

The zw1 file extension is associated with EPLAN, a family of engineering and CAD software, made by company bearing same name.

The zw1 file contains backup of project created in EPLAN.


How to open:

You can recovered these backups only using the original EPLAN software.

How to convert:

Backup files cannot be usually converted, just recovered to original state or perhaps explored with proper utility.

How to solve problems with ZW1 files

  • Associate the ZW1 file extension with the correct application. On :
    Windows: Right click on any ZW1 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.ZW1 files". Mac: Right click (or Ctrl-click) the ZW1 file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .ZW1 is EPLAN project backup. Because only the current version supports the latest ZW1 file format. Search, therefore, e.g. on the EPLAN Software & Service GmbH & Co. KG manufacturer website after an available .ZW1 is EPLAN project backup update.
  • To make sure that your ZW1 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.