Conversion of laccdb files to accdb file format

Everything points to the fact that you cannot convert database lock files (in this case .laccdb files from Microsoft Access) to actual databases (such as the .accdb MS Access database file). Lock files are generated to mark an already opened database so there cannot be duplicate changes if it was by accident opened twice. There is no way a conversion or some data recovering can happen like this, laccdb to accdb conversion is simply not possible.

Open LACCDB file    Open ACCDB file