Free Pascal archive
File type: Archive and compressed file
An a1 file is an archive associated with Free Pascal, an open-source compiler for Pascal and Object Pascal.
File type category:
Archive and compressed file
Date updated: October 12, 2026
Free Pascal is an open-source compiler for the Pascal and Object Pascal programming languages. It is available on various platforms, including Microsoft Windows.
The a1 file contains an archive from Free Pascal.
On Microsoft Windows, use the Free Pascal compiler and its associated tools to work with an a1 file. The file is normally used by the compiler environment rather than opened manually.
Software applications that can open a1 files:
Microsoft Windows
Software apps that create a1 files:
Microsoft Windows
Software applications that handle other tasks involving a1 files:
Microsoft Windows
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