A daily updated filename extension database!

CPG file extension

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

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

✅ ArcGIS Codepage

CPG file is an ArcGIS Codepage. It is an optional file that can be used to specify the codepage for identifying the characterset to be used.
Category: GIS files
Application: ArcGIS
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CPG aliases:
CPG related links:
CPG related extensions:
ArcInfo Binary Coverage

ArcInfo Band Interleaved by Line Image

ArcInfo Band Interleaved by Line Image

ArcInfo Band Sequential Image

ArcInfo ASCII Export

Geography Markup Language Document

MapInfo Table Document

FME Document

FME Feature Store

SIA dataMap GIS Export

✅ CATS PG File

CPG file is a CATS PG File. CATS is a software package which converts semiconductor design data into a useful format for making the circuit templates (also referred to as "photomasks") for semiconductor manufacturing.
CPG format description not yet available
Category: Data files
Application: CATS
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CPG aliases:
CPG related links:
CPG related extensions:
CATS Location File

CATS Flat File

CATS Library File

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

🚫 The .cpg file extension is often given incorrectly!

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

cg, cgp, clg, cog, cp, cpb, cpf, cph, cpn, cpr, cpt, cpv, cpy, dpg, fpg

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Adobe Captivate Project
Casio WK-1800 Pattern Sequerncer Pattern
Atari ST Canvas Compressed Image
Concordance Compiled CPT Script
Corel Photo-Paint Image
Mail.dat Component File
Ccrypt Encrypted File
Serena PVCS Logfile
STK Great Arc Propagator File
STK Propagator File

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

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