Use a tool like WinRAR or 7-Zip to extract the contents of the FBCBdb22.rar file.
Inside the .rar file, you will usually find .mdb (Microsoft Access Database) files that need to be placed into the game's database folder. FBCBdb22.rar
Find your FBCB22 installation folder, usually located at C:\Program Files (x86)\GDS\Fast Break College Basketball 22\Databases . Use a tool like WinRAR or 7-Zip to
Open FBCB22 and select the new database when starting a new career. FBCBdb22.rar