Share all of your existing documents with full privileges with your new apps account.
Email (From the comments on the guide):
In your Gmail account (From where you want to import all your emails to your Google Apps statndard account) go to ‘Settings’
Then click on ‘Forwarding POP/IMAP’ tab.
Then select ‘Enable POP for all mail (even mail that’s already been downloaded)select allow POP for all’
Now go to your Google Apps account.
Go to ‘Settings’
The click on ‘Accounts’ tab
In the section ‘Get mail from other accounts:’ Click on the link ‘Add a mail account you own’
A new window pops up, just follow the process of providing your Gmail Account information
Probably 2nd page into it, it will ask for username, password, etc. and it will have a drop down menu next to Pop server: select the 1st ‘pop.gmail.com’ in the list
do not check mark leave messages as gmail does not support it
Check mark label and give it a good label like: ‘My Gmail’ or something.
Then click Add Account and it will go through the verification. Once you verify the account. You are done.
Now you can go back to the inbox and you should see your ‘My Gmail’ label. Click on it and it should download all your emails from your Gmail account. Please note that you will lose all the emails in your Gmail Account.
Final step is to then go back to the Gmail Account and disable POP download and enable forwarding to your google apps email account.
Calendar (Directly from the guide):
On GMail calendar, goto Settings ->
Calendars -> Export Calendars to
download a ZIP of your calendars in
ICAL format.
On Google Apps
calendar, goto Settings -> Calendars
Contacts (Directly from the guide):
On GMail contacts, use the Export option to export each group in Google’s CSV format. Then export one more CSV of “Everyone (All Contacts)”
On Google Apps contacts:
Use the Import option to import the CSV of Everyone, leaving the “Add these imported contacts to: ” option unchecked.
Then use the Import option to import each group in turn, checking the “Add these imported contacts to: New Group… ” option, and enter the name of the group.
-> Import calendar and import the ICAL entries to your calendar.2.
Just add your Google Apps account to Thunderbird using IMAP. Drop all your email from your pop account into an Apps folder. Your email should upload to that label.
Best Answer
Open your new Gmail account and under Mail Settings -> Accounts and Import, choose Import Mail and Contacts.
Put your Google Apps account credentials and import.