A daily updated filename extension database!

CSPL file extension

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

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

Table of Contents

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

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

✅ Mozilla Firefox CSPL Data

CSPL file is a Mozilla Firefox CSPL Data. Mozilla Firefox is a free and open-source web browser developed for Windows, OS X, and Linux.
CSPL format description not yet available
Category: Data files
Application: Mozilla Firefox
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CSPL aliases:
CSPL related links:
CSPL related extensions:
Mozilla Firefox Safebrowsing Database

Mozilla Firefox Configuration Data

Mozilla Firefox Safebrowsing v4 Prefix Set

Mozilla Firefox Safebrowsing v2 Prefix Set

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

🚫 The .cspl file extension is often given incorrectly!

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

cpl, csl, csp, dspl, spl

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Control Panel Item
Corel Colour Palette
TINA Complex Parameter List
Tekla Structures Contour Plate Properties
Concordance Desktop Programming Language Script
TrialDirector Concordance Data
Abacom sPlan Components Database
CHARTrunner Pareto Style
CineStyle Color Lookup Settings
WinView/400 Report Data

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

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