Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .sess

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .sess file?
  • Which program can create the .sess file?
  • Where can you find a description of the .sess format?
  • What can convert .sess files to a different format?
  • Which MIME-type is associated with the .sess extension?
PHP Session Data .sess file icon

PHP Session Data

The SESS file is a PHP Session Data. PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
Detailed description not available
Category: Data files
Program name: -
Mime-type: application/x-httpd-php
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
ColdFusion Markup Language
Java Servlet
Perl Header
ASP.NET Source Code

Other types of files may also use the .sess file extension. If you have helpful information about .sess extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Ghost Installer Silent Settings Data
Ekahau Site Survey Binary Container
Safend Protector Encrypted Volume
ClarisWorks 3 Spreadsheet
Adobe Audition Session

The .sess filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

sesx (695), ess (1), sss (1), ses (1), swss (1)

Can't open a .sess file?

If you want to open a .sess file on your computer, you just need to have the appropriate program installed. If the .sess association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.sess

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android