| ICA |
Citrix file |
| ICB |
Targa bitmap |
| ICL |
Icon Library file (an industry standard) |
| ICM |
Image Color Matching profile file |
| ICO |
Windows Icon |
| IDD |
MIDI Instrument Definition |
| IDF |
MIDI Instrument Definition (Windows 95 required file) |
| IDQ |
Internet Data Query file |
| IDX |
Symantec Q&A relational database index file |
| IFF |
Amiga ILBM |
| IGF |
Inset Systems metafile |
| IIF |
QuickBooks for Windows interchange file |
| ILBM |
A bitmap (graphic image) file |
| IMA |
WinImage file |
| IMG |
GEM image |
| INC |
Assembler language or Active Server include file |
| INF |
Information file |
| INI |
Initialization file |
| INP |
Oracle source code for form, version 3.0 and earlier |
| INS |
InstallShield install script |
| INS |
X-Internet sign-up file |
| IOF |
Findit document |
| IQY |
Microsoft Internet Inquiry file |
| ISO |
Lists the files on a CD-ROM; based on the ISO 9660 CD-ROM
file system standard |
| ISP |
X-Internet sign-up file |
| ISU |
InstallShield uninstall script |
| IT |
Impulse Tracker music module (MOD) file |
| ITS |
Internet document set (possibly a Microsoft file) |
| IW |
Idlewild screensaver |
| M1V |
MPEG-related file (MIME type 'mpeg') |
| M3D |
Corel Motion 3D animation |
| M3U |
MPEG URL (MIME audio file) |
| MAC |
MacPaint image |
| MAD |
Microsoft Access module |
| MAF |
Microsoft Access Form |
| MAK |
Visual Basic or MS Visual C++ Project |
| MAM |
Microsoft Access Macro |
| MAP |
Map file |
| MAP |
Duke Nukem 3D WAD game file |
| MAQ |
Microsoft Access Query |
| MAR |
Microsoft Access Report |
| MAS |
Lotus Freelance Graphics Smartmaster file |
| MAT |
Microsoft Access Table |
| MAX |
Paperport file |
| MAZ |
Hover maze data |
| MB1 |
Apogee Monster Bash data file |
| MCC |
Dialer10 calling card |
| MCS |
MathCAD image |
| MCW |
Microsoft Word for Macintosh document |
| MDA |
Microsoft Access add-in |
| MDB |
Microsoft Access database |
| MDE |
Microsoft Access MDE file |
| MDL |
Digital Tracker music module (MOD) file |
| MDL |
Quake model file |
| MDN |
Microsoft Access blank database template |
| MDW |
Microsoft Access Workgroup |
| MDZ |
Microsoft Access wizard template |
| MED |
Music Editor, OctaMED music module (MOD) file |
| MER |
Format for interchanging spreadsheet/database data; recognized
by Filemaker, Excel, etc. |
| MET |
Presentation Manager metafile |
| MHTM |
MHTML document (MIME) |
| MHTML |
MHTML document (MIME) |
| MI |
Miscellaneous |
| MIC |
Microsoft Image Composer file |
| MID |
MIDI music |
| MMF |
Microsoft Mail File |
| MMM |
Microsoft Multimedia Movie |
| MOD |
FastTracker, StarTrekker, Noise Tracker (etc.) music module
file |
| MOD |
Microsoft Multiplan spreadsheet |
| MOV |
QuickTime for Windows movie |
| MPA |
MPEG-related file (MIME type 'mpeg') |
| MPE |
MPEG animation |
| MPEG |
MPEG animation |
| MPG |
MPEG animation |
| MPP |
Microsoft Project file |
| MPP |
CAD drawing file format |
| MP2 |
MPEG Audio Layer 2 file (MIME video file) |
| MP3 |
MPEG Audio Layer 3 (AC3) file |
| MSG |
Microsoft Mail message |
| MSN |
Microsoft Network document |
| MSP |
Microsoft Paint bitmap |
| MTM |
MultiTracker music module (MOD) file |
| MUS |
Music |
| MVB |
Microsoft Multimedia Viewer file |
| MWP |
Lotus Wordpro 97 Smartmaster file |
| OBD |
Microsoft Office binder template |
| OBD |
Microsoft Office Binder |
| OBJ |
Object file |
| OBZ |
Microsoft Office Binder Wizard |
| OCX |
Microsoft Object Linking and Embedding custom control |
| OFN |
Microsoft Office FileNew file |
| OFT |
Microsoft Outlook template |
| OKT |
Oktalyzer music module (MOD) file |
| OLB |
OLE Object Library |
| OLE |
OLE object |
| OPT |
Microsoft Developer Studio file |
| ORG |
Lotus Organiser file |
| OR2 |
Lotus Organiser 2 file |
| OR3 |
Lotus Organiser 97 file |
| OSS |
Microsoft Office Search file |
| OST |
Microsoft Exchange Offline file |
| OTL |
Super NoteTab template file (Fookes) |
| P10 |
Tektronix Plot 10 drawing |
| P65 |
Pagemaker 6.5 file |
| P7C |
Digital ID file (MIME) |
| PAB |
Microsoft Personal Address Book |
| PAK |
Quake WAD file |
| PAL |
Windows colour palette |
| PAS |
Pascal source code (Borland) |
| PAT |
CorelDraw pattern |
| PCP |
Symantec Live Update Pro file |
| PBK |
Microsoft Phonebook |
| PBM |
Portable Bitmap |
| PCD |
Kodak Photo-CD image |
| PCD |
P-Code compiled test scripts as in Microsoft Tst and Microsoft
Visual Test |
| PCL |
HP Laserjet bitmap |
| PCS |
PICS animation |
| PCT |
Macintosh PICT drawing |
| PCX |
ZSoft PC Paintbrush bitmap |
| PDF |
Adobe Acrobat Portable Document Format or Netware Printer
Definition File |
| PDF |
Package Definition File from Microsoft Systems Management
Server Verifies installed packages |
| PDQ |
Patton&Patton Flowcharting PDQ Lite file |
| PFA |
Type 1 font (ASCII) |
| PFB |
Type 1 font (binary) |
| PFC |
PF Component |
| PFM |
Printer Font Metrics |
| PGL |
HP Plotter drawing |
| PGM |
Portable Graymap (bitmap) |
| PIC |
PC Paint bitmap |
| PIC |
Lotus picture |
| PIC |
Macintosh PICT drawing |
| PICT |
Mac PICT image file |
| PIF |
Program Information File |
| PIF |
IBM PIF drawing |
| PIG |
Lucas Arts Dark Forces WAD file |
| PIN |
Epic Pinball data file |
| PIX |
Inset Systems bitmap |
| PJ |
MKS Source Integrity file |
| PKG |
Microsoft Developer Studio application extension (similar
to a DLL file) |
| PL |
Perl program |
| PLS |
MPEG PLayList file (used by WinAmp) |
| PLT |
HPGL Plotter drawing |
| PLT |
AutoCAD Plot drawing |
| PM5 |
Pagemaker 5.0 file |
| PM6 |
Pagemaker 6.0 file |
| PNG |
Portable Network Graphics bitmap |
| PNG |
Paint Shop Pro Browser catalogue |
| PNT |
MacPaint graphic file |
| PNTG |
Same as PNT file |
| POT |
Microsoft PowerPoint Template |
| PP4 |
Picture Publisher 4 bitmap |
| PPA |
Microsoft PowerPoint Add-in |
| PPM |
Portable Pixelmap bitmap |
| PPS |
Microsoft PowerPoint slide show |
| PPT |
Microsoft PowerPoint presentation |
| PRE |
Lotus Freelance presentation |
| PRF |
Windows system file |
| PRF |
Macromedia Director settings file |
| PRN |
Print Table (space delimited text) |
| PRS |
Harvard Graphics for Windows presentation |
| PRZ |
Lotus Freelance Graphics 97 file |
| PS |
Postscript Interpreted drawing |
| PSD |
Adobe Photoshop bitmap |
| PST |
Microsoft Outlook Personal Folder File |
| PTM |
Polytracker music module (MOD) file |
| PUB |
Ventura Publisher publication |
| PUB |
Microsoft Publisher document |
| PWD |
Microsoft Pocket Word document |
| PWZ |
Microsoft PowerPoint Wizard |
| PXL |
Microsoft Pocket Excel spreadsheet |
