Hello， i use litecoin-qt.exe version v0.8.5.1-beta to back up my wallet.dat in april 2018. its files size is about 128kb. but now i download the newest version of litccion-qt.exe,version v0.18.1,then i copy my old wallet.dat to this new software, it cannot recognize it.
please help me ,what can i do.i found the new wallet.dat is about 1400kb,totally different with the old one. how can i convert the old one to the new on.
hope your reply soon