To protect versions from automatic deletion, you can mark them.
1.Go to the version history of the file.
2.On the Sidebar, in the line with the desired version, click
More.
3.Select Mark/Unmark.
The mark is assigned to the version automatically in the following cases:
–When creating a file version manually (by command or as a result of downloading, copying, or moving the file with replacement).
–When renaming the file version (if the version has not been marked yet).