Windows
Compatible applications
Quick Facts
Basic information about this file format
Extension
.VDI
File Type
Virtual Disk Image
Category
Data
Best first step
Use compatible software
Quick Summary
A practical overview of the .vdi file format
A VDI file is a Virtual Disk Image file format used by Oracle's VirtualBox virtualization software. It contains the entire contents of a virtual hard disk, including the operating system, installed programs, user data, and any other files stored on the virtual machine. Think of it as a container th…
File extension
.VDI
File type
Virtual Disk Image
Category
Data
Recommended action
Open with a trusted compatible app
How to open a .vdi file
Start with a trusted app that supports this format
- Check the file extension carefully and confirm that the file name really ends with .vdi.
- Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
- Update the application if the file was created by a newer version of the software.
- Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.
What is a .vdi file?
File extension details and usage information
A VDI file is a Virtual Disk Image file format used by Oracle's VirtualBox virtualization software. It contains the entire contents of a virtual hard disk, including the operating system, installed programs, user data, and any other files stored on the virtual machine. Think of it as a container that holds all the information needed to run a virtual machine. The VDI format allows users to create, store, and manage virtual machines on their physical computers. These files are essential for running different operating systems or software environments without directly affecting the host system. They are also useful for testing software, creating backups of entire systems, and running legacy applications. VDI files can be dynamically allocated, meaning they only take up the space they need on the host drive, or they can be fixed-size, allocating the entire specified size upfront. This format is specific to VirtualBox and offers features like snapshots, which allow users to revert to previous states of the virtual machine.
Software Compatibility
Programs that may open or work with .vdi files
macOS
Compatible applications
Linux
Compatible applications
Mobile
Mobile applications
No specific software is listed for this platform yet. Try checking the file source, identifying the original application, or using a trusted universal file viewer when appropriate.
Can .vdi files be converted?
Options for saving or exporting this file to another format
In many cases, a .vdi file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.
- Use the original software that created the file when possible.
- Check whether the application supports exporting to common formats.
- Be careful with online converters when working with private, business, or sensitive files.
- If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .vdi file.
Why can't I open a .vdi file?
Common reasons this file type may not open correctly
Wrong software
The file may require a specific program that supports the .vdi format.
Incorrect extension
The file extension may have been renamed manually, even though the actual file format is different.
Corrupted file
The file may be incomplete, damaged during download, or transferred incorrectly.
Outdated app
Your software may need to be updated before it can open newer versions of this file format.
Frequently Asked Questions
Common questions about .vdi files
To open a .vdi file, use software that supports this file format.
- Oracle VirtualBox
- QEMU
- PowerISO (limited support)
- GNOME Disks
Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.
- Verify that the file extension is correct.
- Install or update compatible software.
- Try another application that supports this format.
- Check whether the file is corrupted, incomplete, or encrypted.
A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.
File safety tips
Use caution with unknown files
Only open files from trusted sources. Before opening a .vdi file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.