Allgemeine Atari 8bit File Extensions und ihre Bedeutung
Ext = Extension (ie, the „TXT“ in the filename „LETTER.TXT“)
Typ = File type (B = binary, T = text, X = executable (binary),
? = uknown or depends (assume binary))
Desc = Description
| Ext | Typ | Desc. |
| ACT | -T- | „Action!“ source code file. |
| APC | -B- | „APAC“ image. (80x96x256 noncompressed). |
| AP2 | -B- | „APAC-2“ image. (80x192x256 noncompressed). |
| AR? | -X- | (AR0 through AR9) An „autorun“ file loaded by MyDOS during boot, renamed from „EXE“, „COM“ or „OBJ.“ |
| ARC | -B- | „ARC“ archive. A set of files compressed into one file. Typcial Atari 8-bit compression format. |
| ASC | -T- | „ASCII“ text file. |
| ASM | -T- | Assembly language source code file. |
| ATA | -T- | „AtASCII“ (Atari ASCII) text file. |
| ATR | -B- | An Atari disk image used by Atari computer and disk drive emulators. (Like PC Xformer, Rainbow, Atari800, XL-It!, SIO2PC and APE.) |
| BAS | -B- | „Atari BASIC“ tokenized source code file. „LOAD“ from within BASIC. |
| BAT | -T- | „Batch“ file – list of commands to be executed by a DOS (ie SpartaDOS). |
| BLU | -T- | „.blurb“ file (description of another file). |
| C | -T- | „C“ source code file. |
| CFG | -?- | A preferences (configuration) file used by some program |
| CNF | -?- | A preferences (configuration) file used by some program |
| COM | -X- | Binary executable (a program / application). |
| CTB | -B- | Compiled TurboBASIC XL program. Load with TurboBASIC XL „Runtime.“ |
| DAT | -?- | A data file used by some program. |
| DC3 | -B- | „Disk Communicator“ disk image (disk data saved as a file). |
| DCM | -B- | „Disk Communicator“ disk image (disk data saved as a file). |
| DOC | -T- | Text file (ASCII or ATASCII). |
| DGS | -B- | „Degas“ image. (??x??x??). |
| DIG | -B- | „Parrot“ digital audio file. |
| DSK | -B- | „Disk Communicator“ disk image (disk data saved as a file). |
| EXE | -X- | Binary executable (a program / application). |
| FRM | -B- | „Frame“ animation file. |
| FON | -B- | Atari screen font file. |
| FNT | -B- | Atari screen font file. |
| FTH | -?- | „Forth“ source code file. |
| GIF | -B- | A „GIF“(tm) graphics file. (??x??x2-256 compressed). |
| GRA | -B- | „APAC“ image. (80x96x256 noncompressed). |
| GR7 | -B- | „Graphics 7“ image. (160x96x4 noncompressed). |
| GR8 | -B- | „Graphics 8“ image. (320x192x2 noncompressed). |
| GR9 | -B- | „Graphics 9“ image. (80x192x16 noncompressed). |
| G15 | -B- | „Graphics 15“ image. (160x192x4 noncompressed). |
| HIP | -B- | „Hard Interlaced Picture“ image. (160x240x30). |
| HLP | -B- | Text or other file used as a help file by some program. |
| ILC | -B- | „APAC Interlaced“ image. (80x192x256 noncompressed). |
| LHA | -B- | „LHA“ archive. A set of files compressed into one file. Typical Atari ST and Amiga compression format. |
| LST | -T- | An Atari BASIC source file. „ENTER“ from within BASIC. |
| M65 | -B- | „Mac65“ tokenized source code file. |
| NLQ | -B- | Daisy Dot III „Near Letter Quality“ font file. |
| OBJ | -X- | Binary executable (a program / application) or an „object“ file. |
| PIC | -B- | A An image file. Usually „Koala“ style (160x192x4 compressed). |
| PRF | -?- | A preferences file used by some program |
| PRO | -B- | An „APE“ disk image which contains copy protection information. |
| PZM | -B- | „Pryzm“ image. (80x192x256 noncompressed). |
| QIK | -?- | „Quick“ source code file. |
| RLE | -B- | „Run-Length-Encoded“ image. (??x??x?? compressed). |
| SFX | -B- | Self-Extracting archive. (A program which decompresses itself into a set of smaller programs – you only load this once.) |
| SND | -B- | Mac System 7 or NeXT digital audio file. |
| SYS | -B- | A system file, usually used by a DOS. |
| TBS | -B- | TurboBASIC XL tokenized source code file. „LOAD“ from within TurboBASIC XL. |
| TUR | -B- | TurboBASIC XL tokenized source code file. „LOAD“ from within TurboBASIC XL. |
| TXT | -T- | Text file (ASCII or AtASCII). |
| UUE | -T- | „UUencoded“ binary file (converted to text-only format.) |
| WAV | -B- | „WAVE“ digital audio file. |
| XMO | -B- | ??? Some binary file. (Bad naming convention by CompuServe.) |
| ZIP | -B- | „ZIP“ archive. A set of files compressed into one file. |