FDD file: How can I open a .FDD file?
The table below provides useful information about the .fdd file extension. It answers questions such as:
- What is the .fdd file?
- What program do I need to open a .fdd file?
- How can the .fdd file be opened, edited or printed?
- How can I convert .fdd files to another format?
We hope you find this page helpful and a valuable resource.
✅ General Floppy Disk Image

The FDD file is a General Floppy Disk Image. Various programs use this extension for hard disk image.
✅ FlexiDATA Database

The FDD file is a FlexiDATA Database. FlexiData is a data handling program which is designed for use in schools. It is able to deliver all of the collecting and analysing data that is required for KS3 and KS4 Computing courses. It is also suitable for other subjects such as Science, Geography and Mathematics.
✅ Parallels Desktop Floppy Disk Image

The FDD file is a Parallels Desktop Floppy Disk Image. Parallels Desktop is a software solution for creating and running virtual machines inside a virtual environment on a host computer.
✅ FormDocs Document

The FDD file is a FormDocs Document. FormDocs is a complete solution for designing, filling-in, printing, e-mailing, and managing forms.
⚠ Be careful with .fdd files.
It's important to know that the .fdd file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .fdd files. Be cautious when dealing with .fdd files from unknown sources.
🚫 The .fdd 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 .fdd 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:
Select an app to open this .fdd file
It means that the operating system does not have a default app associated with the .fdd file type. To resolve this issue and open the file, you can take the following steps:
- Right-click on the .fdd file. A context menu will appear.
- From the context menu, select Open with. Windows will display a list of recommended apps.
- If the desired app is listed, select it from the provided options.
- If you cannot find the appropriate app, you may need to install software that supports the specific file type.
If you don't know how to change the default app for the .fdd file, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. The extension of a file serves as a hint to the operating system and various software programs about the type of data contained within the file. When you alter a file's extension, you essentially modify how software applications interpret and handle that file. Every file has a specific format, also known as its file type or file format. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .fdd file extension, write to us.