13O file - How do I open a .13o file?
The table below provides useful information about the .13o file extension. It answers questions such as:
- What is the .13o file?
- What program do I need to open a .13o file?
- How can the .13o file be opened, edited or printed?
- How can I convert .13o files to another format?
Table of Contents
- ✅ RINEX Observation Data
- 🔄 .13o file converters
- 🚫 .13o file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ RINEX Observation Data

The 13O file is a RINEX Observation Data. Receiver Independent Exchange Format (RINEX) is a data interchange format for raw satellite navigation system data.
Other types of files may also use the .13o file extension.
🚫 The .13o 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 .13o 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.13o
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 .13o 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 .13o file extension, write to us!