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

TTW file is an IBM Rational Tau Workspace. IBM Rational Tau is a UML and SysML modeling tool supporting automated code generation and model verification.
Other types of files may also use the .ttw file extension.
🚫 The .ttw 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 .ttw 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.ttw
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 .ttw 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 .ttw file extension, write to us!