EXCHANGE MIGRATING

Hello.  Migrating away from the in house exchange 2003 / server 2003 scheme since we are a small office with about 10 users.

All desktops are Office 2007 and later.
In house Exchange is a 2003

Setup Exchange Online.  Everything seems to be working fine.

Exchange server is down but all clients have cached.  I have also exported a .pst of all clients for good measure.  Exchange will probably not be able to come back online.

Question:  Can I open the client (outlook 2007) click work offline since the server is unavailable change the server settings and will the working .OST file just push all the data back to exchange online?

When I first setup  test mailbox it used auto discover and it appears the server info is a auto generated number prior to a FQDN.

Is this possible and if so, any reprecussions?
RICHRICH26Asked:
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Gareth GudgerCommented:
Best practice is to create a brand new Outlook profile on each users PC. Then configure that profile to connect to Office 365. Then import the PST file you said you created. After the import it will sync all that new data up to Office 365.
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