A rel file extension is related to the Retreive 4GL and used for its dataset files.
REL file extension - Retrieve 4GL dataset
What is rel file? How to open rel files?
File type specification:
The rel file extension is associated with the Retrieve 4GL Dataset File (Sage Enterprice Solutions).
The Retrieve 4GL product is used in the creation of many different large database applications so this extension and its link to Retrieve 4GL may show up in products from many companies.
The default software associated to open rel file:
Company or developer:
Kinspeed Limited
Retrieve 4GL is a fourth generation programming language used to develop Sage Line 100.
List of recommended software applications associated to the .rel file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open rel file, edit rel file, convert rel file, view rel file, play rel file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with rel file - Retrieve 4GL dataset
Click on the software link for more information about Retrieve 4GL. Retrieve 4GL uses rel file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).