RC4 file extension
The table below provides useful information about the .rc4 file extension. It answers questions such as:
- What is the .rc4 file?
- What program do I need to open a .rc4 file?
- How can the .rc4 file be opened, edited or printed?
- How can I convert .rc4 files to another format?
Table of Contents
- ✅ Microsoft Flight Simulator Customisation Data
- 🔄 .rc4 file converters
- 🚫 .rc4 file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ Microsoft Flight Simulator Customisation Data

RC4 file is a Microsoft Flight Simulator Customisation Data. Microsoft Flight Simulator is a flight simulator game developed by Microsoft.
Other types of files may also use the .rc4 file extension.
🚫 The .rc4 file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .rc4 file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows cannot open this file:
example.rc4
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .rc4 file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .rc4 file extension, write to us!