A pre file extension is related Programmer's WorkBench and used for its settings files.
PRE file extension - Programmer's WorkBench settings
What is pre file? How to open pre files?
File type specification:
The pre file extension is associated with the Programmer's Workbench (PWB/UNIX), an early version of Unix operating system developed by Bell Labs (AT&T) in 1977.
The pre file stores settings of Programmer's Workbench.
The .pre file extension is also used by Microsoft C/C++ development environment for its settings data.
The default software associated to open pre file:
Company or developer:
Microsoft Corporation
Visual C++ is integrated development environment for C and C++ programming language used to create Windows and .NET applications.
List of recommended software applications associated to the .pre 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 pre file, edit pre file, convert pre file, view pre file, play pre file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with pre file - Programmer's WorkBench settings
Click on the software link for more information about Visual C++. Visual C++ uses pre 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.).