Hi there,

I am trying to import cgm files, but it looks like inkscape did not come default with.
I foudn a faq, and here https://inkscape.org/learn/faq/ , it says to use uniconvertor. I was at the website, and downloaded the "uniconvertor-2.0rc4-win64_headless.msi".

Once downloaded, and installed, I tried import in inkscape, i still do not see the cgm extension in the import window.
I put the two recommended extension file in the following directories, and reopen inkscape, and still do not see it. 
Is there anyway to know if the extension is loaded?

C:\Users\AmazingInk\AppData\Roaming\inkscape\extensions
C:\Program Files\Inkscape\share\inkscape\extensions

Hhmm, why have I never heard of CGM file format?  https://fileinfo.com/extension/cgm

I see it in the Open dialog, but I don't have such a file for testing.  Did you try to open it without Uniconverter?  I don't have Uniconverter installed, but I see it in the Open dialog.  What version of Inkscape are you using?

Aah, I don't see it 1.0beta2.  But I do see it in 0.92.3.  Well, I'm guessing it must have been removed from 1.0 for some reason. 

Well anyway, try opening instead of importing.  Sometimes it makes a difference.

Tried open, do not see it either. Using 1.0beta2.

Yeah, I don't see it in 1.0beta2 either.  Apparently it's been removed.

My first reply above has a link to the file info page, which lists programs which can open that kind of file.  So you could open with one of those, and save in a different format, and then open it in Inkscape.

Or you could open it with an earlier version of Inkscape and do the same thing.

Yes, Inkscape 1.0.x does not work with uniconvertor.

Additionally, even for 0.92.x, that (2.0) is the wrong version of uniconvertor. The old uniconvertor has been removed from their download site, and also the Github repository for the old uniconvertor has been removed. The new uniconvertor requires another vector graphics editor to be installed, and (as far as I know) only works with that program.

So you will need to either:

- use an older Inkscape version with an older uniconvertor version (see https://inkscape.org/releases and https://github.com/Moini/uniconvertor) or

- use a different program to convert the file to a different format.

Hmm, I can open .CGM files in Windows 10, Inkscape 0.92.4 (3ab3b9f, 2020-01-12), uniconvertor-2.0rc4-win64_headless.msi.

I also have a portable version of the open source vector graphics software, SK1 V 2.0. This can open and export .CGM files.
https://sk1project.net
 

I think the old uniconvertor version is shipped with Inkscape 0.92.4 on Windows. The additional version of uniconvertor that you installed probably just doesn't hurt, but also doesn't change anything. Inkscape 0.92.4 is known to support that format.

And yes, it is to be expected that sk1 can open those files, as they ship or at least work with their own, changed, Inkscape-1.0-incompatible version of uniconvertor.

Just checked another Windows 10 computer with Inkscape 0.92.4 (5da689c313, 2019-01-14). No additional uniconvertor installed, and this computer can't open .CGM files.

I've examined the contents of the 0.92.4 zip file for Windows, and indeed was not able to find any hint of uniconvertor in there. The explanation for that is available in the FAQ, and here.

Have you ever installed a previous version of uniconvertor on the first computer, Aero?

No I have not. Also confirmed running a quick test using Windows Sandbox.

Glad that it works then for 0.92.x without adaptations (probably they fixed the issue it had)! Thank you for that test.

It's not going to work with 1.0 anymore, though - because extensions that relied on uniconvertor have been removed or replaced, and also because Python 2 is now deprecated and no longer supported, and uniconvertor is still Python 2, even in the new version - that's according to their README, at least.

Some efforts have been made to port it, and to have a version that is independent of sk1: https://gitlab.com/inkscape/extras/extensions-uniconvertor/

Thank you for the test everyone.