CTLG file extension
The table below provides useful information about the .ctlg file extension. It answers questions such as:
- What is the .ctlg file?
- What program do I need to open a .ctlg file?
- How can the .ctlg file be opened, edited or printed?
- How can I convert .ctlg files to another format?
Table of Contents
- ✅ elcoCAD Catalog Data
- 🔄 .ctlg file converters
- 🚫 .ctlg file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ elcoCAD Catalog Data

The CTLG file is an elcoCAD Catalog Data. ElcoCAD is a CAD-based design tool for Electrical Installation Engineering.
Other types of files may also use the .ctlg file extension.
🚫 The .ctlg file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .ctlg 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:
example.ctlg
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 .ctlg 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 .ctlg file extension, write to us!