Moving to Office 365 from hosted pop mail? Never did this before

I have a small domain of 6 users looking to move to office 365 from hosted pop mail.  the mail, contacts and calendar (and they really aren't using the calendar and have just a few contacts) are in the PST on their win 7 machiens running outlook 2010 or 2013 depending on the machine.

Is it as simple as
create users in office 365 control panel
change the MX record for the domain's DNS (hosted by godaddy as is the POP mail)
how long would you wait for that to propogate?
create a new exchange account in outlook / remove the POP account?
Import the old PST into the OST for the new Exchange account

thanks!
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akbCommented:
Yes. It is that simple. I did exactly that for 40 users recently.
The DNS change usually happens within a few minutes but it may take several hours so allow for this just in case.

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BeGentleWithMe-INeedHelpAuthor Commented:
thanks.  the idea of importing the old PST into the OST in outlook.  Reminds me of this:

Helping someone else.  the user had an email address  via a company's in house exchange.  In outlook we saved the data as a PST (export).  The PST was something like 6GB.  Loads of folders for mail.

He got a domain via godaddy and got office 365 through godaddy.  we set up outlook on a new machine for that new domain / new email address.

We imported that 6GB PST into outlook on, lets call it machine A.  I figured it would all get pushed up to office 365.

after hours / a couple days? outlook stopped saying 'synchronizing folders'.

If he logged into office 365 OWA, not all the emails would be there.

If he set up another machine / outlook, it would push things down to him but again, some emails didn't show up.  They WERE on machine A (because they came in via the PST import).  But for some reason didn't get pushed to office 365 server.

There were loads of emails missing, but no pattern - not based on size, date, folder name, etc.

He was most concerned with machine A having all the data so he was OK with it.

But I still felt things didn't get pushed to office 365 server and didn't know why.  Any thoughts / is that a rare case / anything I did wrong that all the data didn't get into office 365?
akbCommented:
Uploading to 365 is very slow. Way slower than your internet upload speed. I think Micosoft must throttle the connection.
I can't say why it wouldn't sync all emails.
For my clients I only uploaded the last couple of months of emails and kept the rest in an off-line PST file.
The user can manually copy emails to the main folder if they want them on 365.
This makes for a much smaller OST file and it is much quicker if you ever need to re-download the OST file - e.g. to a new PC.
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