There are 7 other file types using
the CLS file extension!

cls file icon.cls - ArcView geocoding classification file

cls file icon.cls - JavaScript class definition

cls file icon.cls - Microsoft Visual Basic 4 class module add-in

cls file icon.cls - Microsoft Visual C++ class definition

cls file icon.cls - SQLite 3 file

cls file icon.cls - LaTeX file

cls file icon.cls - Java class definition

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CLS file extension - AIM AOL Instant Messenger file

What is cls file? How to open cls files?

File type specification:

Various data file type icon Various data file type

cls file icon: cls filetype icon

File extension used by AIM AOL Instant Messenger. It is in SQLite 3 format.

The default software associated to cls file type:

AOL Instant Messenger (AIM) icon

AOL Inc. logo AOL Instant Messenger (AIM)  Microsoft Windows software

Company or developer:
  AOL Inc.

AOL Instant Messenger, simply known as AIM, is an instant messaging and presence computer program. client software s available for Microsoft Windows, Windows Mobile, Mac OS, Mac OS X, Android, iOS, BlackBerry OS.

Help how to open CLS files:

Due the variability and uncertainty of this file type group, there is no general information available, about how to open this various data file format. However most files with extension from this group are usually not meant to be opened or viewed directly. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.

For general information try to look at:
Identifying unknown file formats

How to convert file with extension CLS:

Due the variability and uncertainty of this file type group, there is no general information available, about how to convert this various data file format. However most files with extension from this group are usually not in formats, which can be converted. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.

List of recommended software applications associated to the .cls file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open cls file, edit cls file, convert cls file, view cls file, play cls file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • Others cls file

Unspecified and all other actions for computer programs working with cls file - AIM AOL Instant Messenger file

Click on the software link for more information about AOL Instant Messenger (AIM). AOL Instant Messenger (AIM) uses cls file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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