When i work on QGIS project (named "pro"), some file with this symbol appears in the workspace folder with the name "pro.qgs~":

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I tried to open it- but with no success.

  1. How can i open it and what is the purpose of it?
  2. What to do, so this file will not create in the folder?

pro.qgs~ is a backup copy of pro.qgs. See: When saving a .qgs file in QGIS, another appears. Is this a backup?

If your project file gets corrupted for any reason, you can simply rename pro.qgs~ to pro.qgs and continue to work from there.

Like the original .qgs file, you can open it with a text editor.

Why would you want to prevent creation of a backup file?

  • Is there any way to turn this feature in QGIS 3? None of my projects made with the newest version make a .qgz~ file. – David Laverty Jun 17 '19 at 8:04

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