Hi Hubert, at last I found the right directory, where the files were stored.
Thanks for your help.

Joerg.

<t> Hi, thanks for the suggestions. The user folder for Strategic Command did not exist, so I created in manually. When I save an edited campaign there I get the error message "FAILED(Set customizations): No such file or directory. <br/>
<br/>
But when I compare what is saved in the user directory ...

<t> Hi there,<br/>
I am having some trouble, trying to mod a Default campaign.<br/>
- Contrary to what the manual says, there is nowhere a separate directory for user campaigns visible<br/>
- If I save my campaign under another filename in the "Campaigns"-folder, the campaign would not appear ...

I have been running WITP on Parallels for years. No problems, works fine, fast etc. You can even play it on an ipad wie Parallels Access.
Got sluggish with the Win 10 creators update, but Windows only users experience the same problem so its not a Mac thing.