FreeFileSync Forum

Thanks @Plerry, your explanation is consistent with my own observations and I was about to implement such a script when I decided to double-check that there was not other built-in way.
I had doubt because of the description for the sync options:
sync_options.png
I thought that maybe the deletion ...

I am synchronizing directories and files older than 90 days. The expectation is not only that I ignore files older than 90 days when I do the comparison but also that files older than 90 days are removed on the receiving side.
In the filter, I have a time span set to 90 days, yet, directories and ...