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Details of the .asef file extension

The table below provides useful information about the .asef file extension. It answers questions such as:

  • What is the .asef file?
  • What program do I need to open a .asef file?
  • How can the .asef file be opened, edited or printed?
  • How can I convert .asef files to another format?
  • Where can I find the specifications for .asef?
  • Which MIME-type is associated with the .asef extension?

We hope you find this page helpful and a valuable resource!

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

.ase file extension details

Adobe Photoshop Swatch Exchange File

Adobe Photoshop Swatch Exchange File .ase file icon
ASE file is a Adobe Photoshop Swatch Exchange File. Adobe Photoshop is a raster graphics editor developed and published by Adobe Systems. A swatch is a color that has been defined and is stored in the Swatches panel.
Application: Adobe Photoshop
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ASE aliases:
ASE related links:
ASE related extensions:

Other types of files may also use the .asef file extension.

.asef file extension error

The .asef file extension is often given incorrectly!

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

aef, asf, ase, sef, asec

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Cisco Unity Express Script
Autodesk 3D Studio ASCII Scene Export
Adobe Photoshop Swatch Exchange File
Android Secure External Cache
Advanced Systems Format Media
Encryptafile Signature
open .asef file

Can't open a .asef 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:


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 .asef file association, check the FAQ.

.asef file extension

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 .asef file extension, write to us!

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