Upgrade 4.52 To 4.10

Im upgrading to minimum 4.10.4.SP1 from my 4.5.2 in a dev site

Ill be working on it a few weeks, am I able to then transfer/merge the database form 4.52 to 4.10.4 or are they different

I seem to rememebr something about 4.9 being the last where this could be done

thanks

Im upgrading to minimum 4.10.4.SP1 from my 4.5.2 in a dev site

Ill be working on it a few weeks, am I able to then transfer/merge the database form 4.52 to 4.10.4 or are they different

I seem to rememebr something about 4.9 being the last where this could be done

thanks

Such feature was in the Store Import module which is not supported now. So you should perform second upgrade and transfer necessary data manually or with the import/export functionality