I've got a small stash of home dried apples that were dried sometime around the late seventies or so.  About once a year, I'll eat a piece - they are fine, just have a little bit of stale taste.  

String figs that are already dried somewhat, will last for years after they dry to a rock hard consistency - you just have to be careful of your teeth - kind of gum them for a while till they eventullay soften up.  I find some leftovers in the pockets of my hunting jacket every year when I get out for the first time after snowshoe rabbits.  Dried apricots will do about the same, but they never get rock hard.

I'd think, that any dried food in a freezer would get even drier over time, so most things should hold up well - texture of stuff like pasta may get iffy?   I think it depends on how you package the dried food.  If you can vacuum pack it, it should last as long as freeze dried packaged food, which typically has a shelf life of 7 to 10 years or something like that.