@stephan.auer, You have not made it clear but you appear to be using the Desktop Client in Projects Offline mode in which case Versioning is not currently supported. Versioning is suported in the Desktop Client in Team Work mode.

ok, got it, thats the reason.... thanks Stephan

restarted it in team work mode, how can I transfe my offlne mode projects into team mode config?

[https://easyeda.com/forum/topic/How-to-copy-projects-created-and-saved-in-Desktop-Client-Projects-Offline-mode-to-the-cloud-780e8ed79d474be9a36e1568f220089b](https://easyeda.com/forum/topic/How-to-copy-projects-created-and-saved-in-Desktop-Client-Projects-Offline-mode-to-the-cloud-780e8ed79d474be9a36e1568f220089b)

See also: [https://easyeda.com/page/update-record](https://easyeda.com/page/update-record)<br> <br> **What's new in v6.4.20.6** 2021.07.07 Desktop Client * Support "online\_projects\_backup" and "offline\_projects\_backup" folder\, the desktop client will save a backup when you saving a file * "online\_projects\_backup" folder: Avaliable at Team Work Mode\, only backup the file you saved * "offline\_projects\_backup" folder: Avaliable at Project Offline Mode\, it will backup the project every time when you save the file\, you can recover the histories very easy * Support to move the deletion project to "offline\_projects\_backup" folder at Project Offline Mode