OpenVMS backup files

May 7, 2007 at 09:36:05
Specs: Windows, none
I need to know if it is possible to open Backup files created in OpenVMS under windows?
The file extentions are bck.

I'm just a shadow of my former self!

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May 8, 2007 at 07:58:49

There is no Windows program to read OpenVMS backup files, as far as I know. Assuming your goal is to transfer files to the PC, you can use ZIP for OpenVMS instead of BACKUP. ZIP is available as freeware at More specifically, if you're using an Alpha, it is at

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May 8, 2007 at 08:03:47
Backup files are kind of like tar files -- all the files are smooshed together.

There are some tools that let you pull out individual files, but they are not very useful. Each VMS file has an associated characteristics block that controls how to interpret the file.

There are several different kinds of "text" files, for instance. The tools are not equipped to do this conversion.

If you *really* need to read these files, I have a conversion service to help:

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July 10, 2008 at 15:03:53
I know this post is a year old but i have exactly the same problem. Maybe now there's some software i can download (either free or relatively cheap) that does the conversion? it can be either mac, windows or ubuntu but something.

can anyone help?


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Related Solutions

June 2, 2010 at 11:37:14
Hi, I ran into the same issue, but have a few answers. Firstly, I've actually gone ahead and written my own:, which I use quite extensively (source code + pre-compiled Windows binaries are available). I've also built it under OSX and Solaris, so it should be pretty portable.

Additionally, to not just shill my own solution, here's another I found:

Also try googling for vmsbackup.c.

Hope this helps!

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