PassMark OSFMount v2.0.1001

freakazoid on 4 Nov 2020
  • 6MB (uncompressed)
  • Released on 22 Mar 2018
  • Suggested by Stone Tablet

OSFMount is a collection of virtual drive tools that allows mounting local disk image files as a drive letter, RAM disks and mounting CD or DVD images (for simplicity or speed). Supported image types include IMG, DD, ISO, BIN, NRG, SDI, AFF, AFM, AFD, VMDK (used by VMware), VHD (Virtual PC) and more.

The program is ideal for machines without a CD/DVD drive and, as most images are bit-for-bit copies of disk partitions, many programs will treat them as the real thing, enabling programs that require a program disc. For disk images, the program can give access to these files without booting or other required visualization software. RAM disks have a variety of uses including high speed caches, programs with frequent/intense disk reads/writes and some database applications.

Command line tools are also included.

Note: The developer warns: "it is recommended that 64-bit Windows is used when large disk image files are to be mounted."

Runs on:Win7 / Win8 / Win10
Writes settings to: None
Dependencies: Administrator rights
Stealth: ? No. HKLM\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_OSFMOUNT

Unicode support: Yes
License: Freeware
How to extract:
  1. Download the installer and extract to a temporary folder
  2. Move the files in {app} to a folder of your choice
  3. Launch OSFMount.exe
Similar/alternative apps: Portable WinCDEmu, DiskInternals Linux Reader, CDmage
What's new?
  • Updated/added warning and error messages when using format option on command line when specifying a ram drive that is smaller than 260MB.
  • Fixed issue with detecting partitions for ImageUSB images.
  • Microsoft signed OSFMount.sys driver for Windows 10.

34 comments on PassMark OSFMount  The Portable Freeware Collection Latest Entries Feed

freakazoid 2020-11-04 14:58

I tried to mount a .bin/.cue combination with OSFMount last night and it froze completely. Used up 30% of the CPU and disk I/O used up 1GB/sec. Windows Explorer wouldn't load as well. Had to do a hard restart to fix the problem.

Ended up using CDmage again to extract some files!


billon 2019-04-07 13:48

Updated to v3.0.1000 and... see more in the forum topic


Portable Reviewer 2015-09-15 12:36

@Midas CDmage works like a charm unlike PassMark OSFMount despite "being ancient". Nothing ancient about it. PassMark OSFMount couldn't detect my image file properly as @freakazoid experienced. In fact very few free portable mount tools could handle my image file properly. I'm surprised you don't use CDmage to mount......


skall 2015-02-23 10:21

whenever i try to mount an image (different formats), the message 'wrong parameter' appears and the new drive is not selectable? i am using the 64bit version and have admin rights.

any hints what might cause this?

i might be wrong, but it seems like this is the only up to date portable virtual cdrom software for win8.1?


Midas 2014-05-12 16:06

@freakazoid: CDmage is ancient, I'm surprised someone even uses it anymore... :)


freakazoid 2014-05-11 15:48

So I needed to extract some audio from a .BIN file. OSFMount couldn't detect the image properly. What worked for me was CDmage. It's also stealth ;)


Midas 2014-02-10 11:59

Registry keys still present with the current version. :(

Regarding instructions: I would advise against deleting the HTML folder, since it contains the online help that gets called from several places in OSFMount UI -- plus, disk space spared is negligible (>500KB), a gain that could also be earned by UPXing the main executable...


webfork 2014-02-08 22:15

I looked everywhere for something that could open a VMDK after VMware Fusion dumped it's disk mount tool a while back (it may have come back, I don't know). Here it was in freeware format, able to load as a separate disk the whole time. Sigh.

Also the RAM disk thing is cool.


Magibon 2013-10-24 19:23

both architecture's executable still says v1.5.1013?


nickel5 2012-07-20 15:12

Magibon, would you be willing to reupload your NSIS launcher? I've got a few projects it would be perfect for.


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