Can't open tft maps

[fjerre]

I have been working on my own map for a while now and suddenly when I opened Oject Editor all names of the units looked really strange. So I decided to reinstall. I reinstalled with new discs but I used old cdkeys, since my old discs were gone I borrowed from a friend but I still had my Cdkeys.
But now the strange names are gone but I can't open my tft map but I can save a map as tft but then I can't open it anymore, I can only open RoC maps.

Sorry if my eng is bad, really hard to explain what's wrong. Got no idea how to fix this. Help me please.

 

[DioD]

use editor dialog, not right click on map's file.

 

[fjerre]

use editor dialog, not right click on map's file.

and how do I use this so called editor dialog?

 

[DioD]

open editor and select map maybe?