For the record, an extension, in French was made some time ago, it works fine
(just tried on xubuntu 16.10 and AOO 4.1.3):
https://forum.openoffice.org/fr/forum/viewtopic.php?f=18&t=18566&p=241115#p241115
Should not be that difficult to find out how it works even for non-French users.
There are
Lost a valuable info file? You only have to lose your royal ass once to be
cured. There's frequent backups, of course, but here's a simple way.
Rename a file being revised by including today's date in the filename,
such as "XYZ 2016-11-25". For multiple updates per day, add an alpha
suffix.
