In so doing, I left my Palm Treo 755p behind. And I’m now off the Palm platform for the first time in a decade.  As you might imagine, I had years of contacts and data building up on my Treo.  Critical data which I couldn’t afford to lose and that I had to move over to my new iPhone.  I was worried that this process was going to be full of gaseous pain, but it wasn’t so bad.  Here’s how I moved my data to my iPhone.

1. Sync the Treo with Palm Desktop.  This captures your contacts and calendar data off of the Treo.  In addition, it backups the memos, tasks, and photos.  Contacts and calendar are the most important elements so that’s what I’m going to focus on. 
2. I’m already a Gmail user.  I want to manage all my data with Google contacts and Google calendar.  So…download and install a trial version of CompanionLink for Google.  This will help you get your data from Palm Desktop into Google.  It’s available at http://www.companionlink.com/products/companionlinkforgoogle.html
3. Make some backups before you try the Palm Desktop sync.  Backup your Google contacts and also create .csv backup file of your Palm Desktop data
4. Configure Companion Link for Google for your GMail account, then synchronize.
5. Now that everything is in Google, configure your iPhone to use this data and then use Google Mobile Sync to sync over the air going forward.  Instructions on that are at at http://www.google.com/mobile/apple/sync.html

That’s pretty much it!