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

The XDD file is a Xfit XDD Format Data. XFIT (X-ray Line Profile Fitting Program) is a system written in the C++ programming language.
✅ WinDev Internal Analysis Data

The XDD file is a WinDev Internal Analysis Data. WinDev is an integrated development environment (IDE) fourth generation language (4GL), first published by PC SOFT in 1993, which is based upon a run-time engine (framework).
Other types of files may also use the .xdd file extension.
🚫 The .xdd 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 .xdd 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.xdd
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 .xdd 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 .xdd file extension, write to us!