Tboia_-(usa)-nswtch-[base]-nsp-ziperto.rar

The file refers to the Nintendo Switch version of The Binding of Isaac: Afterbirth+ .

Unlocking Nintendo Switch Games: OSC, Emulators, And NSP Files - Ftp TBOIA_-(USA)-NSwTcH-[BASE]-NSP-Ziperto.rar

The filename indicates it is a North American (USA) digital package (NSP) containing the base game. The file refers to the Nintendo Switch version