| File Extension: | A1 |
| File Type Description: | Free Pascal Archive |
| File Type Developer: | Open Source |
| Primary Associated Software: | Free Pascal |
| Primary Software Developer: | Open Source |
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Open Source developed the A1 file extension, also know as a Free Pascal Archive file, for the Free Pascal software package. Our data shows that A1 files are frequently utilized by PC users in United States and popular on the Windows 10 platform. In most cases, these users are surfing the internet using the Google Chrome browser.
 | Free Pascal by Open Source |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
 | Linux |
 | OS/2 |
 | FreeBSD |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .046 | bhv | Data Files | Winfunktion Mathematik V8.0 Julia Fractal File |
| .DML | Sybase, Inc | Web Files | DynaScript File |
| .MEM | Microsoft Corporation | Backup Files | FoxPro Variable File |
| .LNX | Commodore International | Compressed Files | Commodore 64 Lynx Archive |
| .CHM | Microsoft Corporation | Web Files | Compiled HTML Help File |
| .RV | Astronomical Institute of the Czech Academyof Sciences | Data Files | SPEFO Stellar Spectra Analysis Data |
| .RAD | Reality Pump Studios | Audio Files | Reality Adlib Tracker Module |
| .ZIP2 | Smith Micro Software | Compressed Files | StuffIt Archive |
| .RBX | IBM | Executable Files | Rembo-C Compiled Script |
| .EVO | eZuce SRN | Video Files | SeeVogh Player Video Recording |
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