Welcome to Android Central! Not all phones support the ability to move apps to SD, and for those that do, you can only move a portion of an app anyway. And not all apps support this function either. If you go to App Manager, select apps, and don't see a "Move to SD" button, then it's not possible. To complicate matters, older phones partition their internal storage into an App Storage partition and an "Internal SD" partition, so moving apps to SD might actually mean moving a portion to that internal SD, not the external microSD card.
See this guide:
http://forums.androidcentral.com/amb...-warnings.html