In Tools->Options->Ide
1. For Specify file/window, Type: Select Program files
2. Mark Override individual settings
3. Select wanted Tab size (4)
4. Click Set as default
If necessary, do the same for other file/window types.

>Hi all:
>
>I have a problem with my .PRG tab settings. Each time I open a program and set tab size to 2, this setting gets lost and goes back to 4 even when “Apply to .PRG files” and “Save preferences” are true at the properties editor.
>
>I couldn’t find any “tab” entry at the window registry for VFP8 and foxuser.dbf is not present at the default working directory.
>
>¿What could be wrong?
>
>I’ll appreciate any hints.
>
>Regards