virtualbox.org

Available tools for mounting virtual volumes on your Host

For hosts Windows XP, Vista, 7, 8, 8.1 or above (32 or 64 bits):
search ImDisk Toolkit
DAEMON TOOLS LITE

For hosts OS X 10.7 Lion and above:
search Paragon VMDK Mounter up to ElCapitan
DAEMON Tools for Mac SnowLeopard and up

The owning virtual machine needs to be shutdown before using the tools
Quit the tool before opening/starting the owning machine

Updated 20141229: the next post is about a mounting tool for GNU/Linux
Updated 20180619: Add info for Browser App
Updated 20170824: "search . . . " urls. For the novices (look at who's writing)
Updated 20180615: Information for DAEMON Tools, versions for Windows, MacOS

Also is possible on GNU/Linux

Searching 'How to mount a VirtualBox VDI image' on google the explanation is in first link.

Mod note: since "in first link" is not a unique long term identifier, I'm assuming this poster means this: http://bethesignal.org/blog/2011/01/05/ ... vdi-image/.

Thanks for the info

Browser App "VMXray" to access contents of a Virtual Hard Disk
- FireFox and Chrome
- fileSystems: ext2, ext3, FAT, NTFS (as of 2018-06-14)
- No system OS installation

VMXray About
VMXray FAQ
VMXray: Twitter

Coriolis Technologies

Arsenal Image Mounter mounts as letter drives write/read vdi files. Has a free version.
https://arsenalrecon.com/products/

Try also
Paragon Image Mounter
qemu-utils

Besides, Paragon Hard Disk Manager is able to manage partitions in vdi
Besides, not mount but content related, PowerISO and 7Zip let read and write inside vdis.

Take care
CT