Do you know if Bitcoin Core still does it this way? Wondering if this method has any pros over seeds.
Yeah you have to load the file into your bitcoin core and rescan the blockchain for funds. The file was literally a list of all your private keys. More info here: https://en.bitcoin.it/wiki/Wallet
Do you know if Bitcoin Core still does it this way? Wondering if this method has any pros over seeds.
Yes, it's still very similar. I prefer seeds, much easier to backup.