All about FDD Files

The FDD file type is primarily associated with Parallels Desktop.

FDD	File extension: FDD
	File type:	floppy disc image

What is an FDD file?

FDD files mostly belong to Parallels Desktop by Parallels. An FDD file is a floppy disc image that can be mounted on a virtual machine created with Parallels Desktop. By saving a disk image as an FDD file, Parallels Desktop is able to mount and treat the image as a physical floppy disk drive. Another type of FDD file is a database used by FlexiDATA data manipulation/analysis software. FDD is also the filename extension of a data file used by FormDocs personal/business forms management software. WPTools word processing and reporting tool for Delphi, C++ Builder, and Visual Studio integrated development environment saves a document in an FDD file.

How to open FDD files

You need a suitable software like Parallels Desktop to open an FDD file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your FDD file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a FDD file directly in the browser:. Just drag the file onto this browser window and drop it.

Online FDD Text Viewer

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Programs that open and convert FDD files:

Parallels Desktop by Parallels
See the previous paragraphs to learn more about the main application. FDD files are often referred to as Parallels Desktop disk images because this type of file is primarily created or used by this software.
FlexiDATA (database) by Flexible Software
FlexiDATA is a data handling/analysis program for scientific operations. It uses a database saved in an FDD file. This file format is classified as Database.
FormDocs (data) by Formdocs
FormDocs is a form design/filter application used to manage personal and business forms. It saves some data in an FDD file. This file format is classified as Database.
WPTools (document) by WPCbed
WPTools is a word processor and conversion utility compatible with Delphi and C++ Builder. It saves a document in an FDD file. This file format is classified as Data.

FDD file format details:

Every file has a defined file format, i.e. how the data is arranged in the file. A file format is determined by the file extension and signature, so JPEG images have the extension .jpg and the first bytes in the file are ÿØÿ. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. So you need a detailed analysis of a file to find out the format and the associated program. Our examination of the FDD files comes to the following conclusion:

The FDD file extension is used very often and is used by different programs with different formats. The two most popular formats are as follows:

40% of all FDD files are associated with Virtual Floppy Disk image. They consist of unreadable binary data. The files are 680 KB to 1 MB in size, with a median of 1 MB. This file type was primarily in use more than 20 years ago. The files contain the following words: VFD1.00. An example of a file name is 2 Shot Diary 2 4-4 (1996)(Mink)(Disk 1 of 6)(Disk A)[Req Install].fdd or Immoral Study (1995)(ScooP)(Disk 1 of 5).fdd. Such files are related to disk, install, system, diary, mink, shot, immoral and study.
15% of all FDD files use the same file format, which can be identified by the letters "00 00 00 00" at the beginning. They consist of illegible, cryptic characters. The average file size is 160 KB with most files being between 26 KB and 420 KB in size. Files like these are sometimes connected to summary, credit and form, and often include person-related information.

All other FDD files (45%) have no consistent format, the following 5 formats exist: WPTools and DABNDF. Tagged as downloads, letter, dragon, scoop, mahjong, anime or sogna. If you want to find out which format your FDD file belongs to, just click on the button "Choose your .fdd file to analyze".

Technical Data for FDD File Extension

File classification:

Disk Image

Related files:

fdl, ffd, fdi, zip, rdd, fdt, db, txt, fdb, rar, html, vcex, pdf, jpg, pvm, hdd, pvs

Mime type:

application/octet-stream

an fdd floppy disc image is a special file format by Parallels and should only be edited and saved with the appropriate software.

How to solve problems with FDD files

Associate the FDD file extension with the correct application.
Update your software that should actually open floppy disc images. Because only the current version supports the latest FDD file format. Search, therefore, e.g. on the Parallels manufacturer website after an available Parallels Desktop update.
To make sure that your FDD file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .FDD file online - secure, fast, and no downloads needed.