Alpha Four database
File type: Database file
The rln file extension is used by Alpha Four for database files.
File type category:
Database file
Date updated: October 5, 2026
The rln file extension is associated with Alpha Four, an integrated development environment for Microsoft Windows developed by Alpha Software.
An rln file stores a database created by Alpha Four.
Use Alpha Four on Microsoft Windows to open an rln file.
Software applications that can open rln files:
Microsoft Windows
Software applications that can edit rln files:
Microsoft Windows
Software capable of saving rln files:
Microsoft Windows
Software apps that create rln files:
Microsoft Windows
Software applications that handle other tasks involving rln files:
Microsoft Windows
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