Step 1: Switch over to the “Settings” on your iPhone and open it. Here is the first method on how to sync outlook contacts with iPhone. Method 1: Sync outlook contacts with iPhone on the phoneĪlthough most consider that the iPhone does an excellent job of syncing and updating the outlook contacts, the problem occurs with the settings and software issues at times. Recommended: Sync contacts from the phone to phone with MobileTrans - Phone Transfer.