040

Compressed archive
File type: Archive and compressed file
A 040 file extension is related to the compressed archive file format.
Found 2 different file type records with the same 040 filename suffix.
What is 040 file?
File type category:
Archive and compressed file
Date updated: July 19, 2025
The 040 file extension used by some archive and compression programs, or data split tools such as WinRAR, 7-zip, HJSplit, Total Commander etc.
The 040 file contains a part of split archive or split data - part 040.
How to open 040 file?
Use WinRAR compression utility to extract archive contents and start with first archive (first archive file has mostly file extension rar or 000 or 001).
How to convert 040 file?
Extract archive ant then compress to another archive file format (like .zip etc.)
Suggested software to open 040 file:
Associated software actions with the 040 file
Software applications that can open 040 files:
WinRAR (Microsoft Windows)
7-zip (Microsoft Windows)
HJSplit (Microsoft Windows)
SplitJoin (Microsoft Windows)
Total Commander (Microsoft Windows)
Software apps that create 040 files:
7-zip (Microsoft Windows)
HJSplit (Microsoft Windows)
SplitJoin (Microsoft Windows)
Total Commander (Microsoft Windows)
Software apps that extract 040 files:
WinRAR (Microsoft Windows)
7-zip (Microsoft Windows)
Total Commander (Microsoft Windows)
Winfunktion Mathematik v8.0 Julia fractal
File type category:
Various data file
Date updated: July 31, 2019
The 040 file extension is associated with Winfunktion Mathematik v8.0. An old German math program released in 1998.
The 040 files are used for julia set mathematic fractals. The current and latest version of Winfunktion Mathematik is 22.
There are no information available if the 040 files are still used in the newest versions for julia set fractals.
Suggested software to open 040 file:
Associated software actions with the 040 file
Software applications that handle other tasks involving 040 files:
Winfunktion Mathematik Plus (Microsoft Windows)