Exchange Online without configuration outlook.

Hello.

I’ve tested Exchange Online Plan1 by trial version now.

I saw your article of the migration Exchange Server 2003 to Office365.

My goal is using exchange online without setting on user computers.

Because many user are in different place. So I couldn’t make it all of them.

And it could be taken time a lot. That’s why I don’t want configuration of the outlook.

But I’m not sure it is possible. Please let me know my big question.

My Exchange Online Migration Plan.

1.       Stop our Exchange Server 2003.
2.       Make contract with Microsoft for Exchange Online Plan1
3.       Register our domain on the Exchange Online.
4.       Make all of the users at Exchange Online without migration function.
5.       Reconfiguration  passwords of the users by powershell.
6.       Using outlook 2007 without reconfiguration.

 If I use Exchange Server 2013, it is possible to use outlook 2007 without configuration

Thank you.