A daily updated filename extension database!

ASS file extension

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

  • What is the .ass file?
  • What program do I need to open a .ass file?
  • How can the .ass file be opened, edited or printed?
  • How can I convert .ass files to another format?

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

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

✅ Advanced SubStation Alpha Subtitle

ASS file is an Advanced SubStation Alpha Subtitle. It is a subtitle format for DivX movies.
Category: Video files
Application: Media Player Classic
Mime-type: text/plain
Magic number: -
Magic string: -
Sample: -
ASS aliases:
ASS related links:
ASS related extensions:
Microsoft Video for Windows Movie

Multimedia Viewer Book

MicroDVD Subtitle Format File

SubRip Subtitle Format

Advanced Systems Format Media

Digital Video

Adobe Flash Video File

Indeo Video File

Microsoft Windows Movie Maker Project

MPEG-2 Transport Stream

✅ FullProf Average Size Strain Plot Data

ASS file is a FullProf Average Size Strain Plot Data. The FullProf Suite is a complete package of crystallographic software comprising a set of programs.
ASS format description not yet available
Category: Data files
Application: FullProf
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ASS aliases:
ASS related links:
ASS related extensions:
FullProf Williamson-Hall Plot Data

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

🚫 The .ass file extension is often given incorrectly!

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

acs, aes, as, as5, asc, ase, asq, asw, asx, asz, aws, axs, azs, qss, sas

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

ACDSee Slideshow Wizard Project
Adobe Flash ActionScript
Microsoft Agent Character
Alpha Five Database Index
Adobe Photoshop Swatch Exchange File
Sorenson Squeeze Presets Data
ASCII Armored GPG/PGP File
QT Style Sheet
DB/TextWorks Access Control Special File
AlphaControls Skin Package

🔴 Can't open a .ass 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 .ass 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 .ass file extension, write to us!

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