Ozzy47
Well-known member
Maybe this might work
Unmaintained - Change Content Owner or Date
Change Content Owner or Date for XenForo 2.0.10+ Description This add-on allows you to change the owner of content or the timestamp content. Requirements PHP 7.1.0+ Options Change content owner NameDescription Default time interval...xenforo.com
No, that would require someone to do 10,000+ posts by checking them at X per page, far to long I think.
