Lost data from onlyoffice

the problem i have facing is…
i have updated some files from onlyoffice a week ago and after a week i saw the changes i have done are missed and also its missing data of hole months and its showing data of month before i have changed.

i have check the activity but is show me the file modified 1 month ago but i have changes on last week and its working fine till last week.

can i get my lost data

Did you check the file version ?
I guess you don’t have a backup of your files in an other place ? (I use borgbackup which is awesome)