WinFax Merger is a FREE WinFax multiple-page fax combiner/merger, able to combine/merge your separate multiple-page WinFax fxd fxr fxs fax files into single multiple-page fxm fax files in batches automatically. For example: you have 3-page winfax fax named aaa001.fxr, aaa002.fxr, aaa003.fxr, you can merge them into one aaafax.fxm file that includes all 3 fax pages. Both GUI and command line modes are supported. Option to keep original file date.