IDA Pro can disassemble virtually any DOS, OS/2, Windows, Windows NT, Windows 95, 98, XP, 2000, Windows CE file and any binary file... The list is so large that we can't even dream listing them all.

MS DOS EXE File, MS DOS COM File, MS DOS Driver, New Executable (NE),Linear Executable (LX),Linear Executable (LE),
Portable Executable (PE) including Windows CE files, Intel Hex Object File, MOS Technology Hex Object File, Netware Loadable Module (NLM), Common Object File Format (COFF), Processor-specific format, Binary File, Object Module Format (OMF), OMF library, S-record format, ZIP archive, jar library, User-defined format, Executable and Linkable Format (ELF), Watcom DOS32 Extender (W32RUN), Linux a.out (AOUT), PalmPilot program file, AIX ar library (AIAFF), PEF (Mac OS or Be OS executable), QNX 16 and 32-bits
, Nintendo
Windows CE PE (ARM, SH-3, SH-4, MIPS)
, Sony Playstation PSX executable files, object (psyq) files, library (psyq) files

Please also see the list of supported processors and the gallery