Is it better to transfer all my google contacts and calendars windows live and only use google as my emails
As previously said, either should be fine. I recently migrated everything from Gmail to Hotmail for 1 simple reason, the contact pictures. In Gmail, no matter the quality of picture associated with a contact, it would always look pixalated on the phone. Hotmail doesnt have any of these restrictions.
I'm just starting to move some of my main contacts over from gmail because all of the pictures I save as a google contact come out looking grainy, like from my old-school Nextel camera phone. Terrible. I just recently found out that the Windows Live contacts don't have this problem when adding a photo.
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You can import your Live contacts on iOS and Android. No worries there.I'd use Google for the following reason: Your contacts will follow you if you decide to move on to another system. I don;t see that ability to do so if you use Live.
You know, it's really, Really, REALLY easy to export and import contacts in Windows Live. Just as easy with google.Do Android or iOS phones sync with Live contacts? If not, go Google so you won't be trapped in the Windows Phone ecosystem.
Just me personally, I setup a Live account specifically for my phone. I have my Outlook contacts and calendars synced to it. I also have my linkedin and my microsoft dev stuff all linked to it.
I prefer this over Gmail mainly because I like to compartmentalize things. Gmail sync (at least when I tried it a while ago) would also sync my gchat list into my contacts. I ended up with a ton of random email addresses/usernames that I didn't feel like linking.
But I'm just weird like that.