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    • File extension .HDD
    • Dateiendung .HDD
    • .HDDファイルの拡張子
    • Extension de fichier .HDD
    • Extension de archivo .HDD
    • Estensione del file .HDD

How to open file with .HDD extension?

Don’t you know what program to use to convert the .HDD file? Do you want to convert a .HDD file into a different format? Below you will find helpful information.

File extension .HDD

Full Name Developer Category
Parallels Workstation Virtual Hard Disk Format Parallels Disk Image Files
.HDD

The HDD ( .hdd) file extension is associated with the Parallels Desktop application developed by Parallels, Inc. It is a type of disk image used to create and manage virtual machines, allowing users to run multiple operating systems on the same computer. HDD files contain the entire content of a virtual hard disk, including the guest operating system, its settings, any installed applications, and the data saved on the virtual drive. HDD files are commonly used when dealing with demanding workloads or applications, such as 3D rendering software.

Technical Details

HDD files are identified as .hdd, .hds, or hddx files. They are stored in a compressed format requiring precise formatting to ensure data integrity and compatibility with Parallels Desktop, an application development platform for creating desktop virtualization software using Windows, macOS, Linux, Chrome OS, and Android/iOS platforms. Like most disk images, HDD files can also be opened as a normal file over an FTP connection or shared folder accessible through a network.

HDD files retain their original functionality and relations between all the basic elements of their contents. This helps ensure that opening an HDD file in Windows will maintain those elements in their most recent form. HDD files store data in an exact form, similar to snapshots or other disk images (e.g. VMWare, VirtualBox, etc.), such as .vhd, .vmdk, .vdi, etc.

Programs for WINDOWS system
  • Parallels Workstation Parallels Workstation
  • VirtualBox VirtualBox
  • VMware vCenter Converter Standalone VMware vCenter Converter Standalone
Programs for MAC system
  • Parallels Desktop Parallels Desktop

After installing the required software, the operating system will usually automatically associate an unknown file type (in this case .HDD) with the new application. If this does not happen, we can help the system a bit by selecting the software for it, which it should always use to open files with the .HDD extension.

When choosing the software we can select the system to use this software every time.

Remember!
Using it for the first time it is good to check whether the .HDD file opened in the application can be read by us and opens in a way that allows us to use it. If everything is in order, select this option the next time you open a file with the .HDD extension. However, if the file has not opened correctly, we have to look for a different software, with which we can open files with the .HDD extension. Select a different software from our list and install it on your computer. After the software is installed, repeat inspection openings of a .HDD file. Sometimes you have to repeat the operation several times.

Other instructions

If none of the programs listed by us to work with the .HDD file has not meet your expectations, you can try searching other websites. But remember to avoid downloading programs "that can open any file". These applications not only have very limited functionality, but may also expose you to expense tens of dollars when purchasing a license.

In the vast majority of cases you will find the program dedicated to support the .HDD file, or any other file format. In addition, there is a chance that it will be a free program, and its functionality (concerning the .HDD file) will be extended to the maximum.

It is also good to check

  • if the .HDD file has no errors
  • or if it has been copied (or downloaded by the browser) thoroughly
In such a case it is best to try to download the .HDD file again from the same source on the Internet (or look for another source). If you received the file from another person, ask this person to re-send it. However, if the file was copied from some media, repeat the copying operation.

Author’s guidelines

img
Mr B. Adam

Author of the guidelines / Founder of FileExtension.info
New technologies enthusiast, helping to solve problems with the files.

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Similar file extensions

  • File extension .HDC
  • File extension .HDB
  • File extension .HDS
  • File extension .HDP
  • File extension .HDRU

Conversion of a HDD file

  • HDD to VMDK
  • HDD to PVS
  • HDD to VDI
  • HDD to VHD
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