Okay, you need to explain yourself better. Saying "it doesn't work" tells us absolutely nothing. There's a massive difference between "It worked, but it's too slow to do 1 at a time, isn't there a faster way?" and "It doesn't work".
Anyway, Cheshire said:
So you should look for something that lets you export ALL of the map data.
I realize this may be difficult to find since there's a lot of options in the editor so here's a picture:
View attachment 491474
But be careful, it will delete all of your existing Object Editor data. The Trigger Editor has the same exact feature under the File menu.