PSI file extension
The table below provides useful information about the .psi file extension. It answers questions such as:
- What is the .psi file?
- What program do I need to open a .psi file?
- How can the .psi file be opened, edited or printed?
- How can I convert .psi files to another format?
Table of Contents
- ✅ Affymetrix Probe Set Information
- 🔄 .psi file converters
- 🚫 .psi file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ Affymetrix Probe Set Information
PSI file is a Affymetrix Probe Set Information. The PSI file contains the probe set names and number of probe pairs for expression and genotyping arrays. This information is also stored in the CDF file and in the same order.
Other types of files may also use the .psi file extension.
🚫 The .psi 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 .psi 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.psi
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 .psi 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 .psi file extension, write to us!
🔴 Rate our PSI page
Please help us by rating our PSI page on a 5-star rating system below. (1 star is poor, 5 star is excellent)