If you gmail account quota has been crossed the 15gb. and you dont want to purchase extra. then here is the best trick to use gmail account when you crossed the 15gb limit.
you need to import your gmail mail to new account. simple follow steps.
First you need one another gmail account to import your old gmail mails and attachments.
If you have another gmail account then you can import your old mails and attachment in this. or Create New gmail account.
Now come to the point. We will start all thing step by step.
Login to your Old Gmail Account that has been crossed the 15gb Limit.
Click on gear button on right side top . and Select and click to setting.
Click on Forwarding and POP/IMAP.
Look POP Download , If your Status is Disabled.
then you need to Select Enable POP for all mail.
and Click Save Changes.
Login to your new gmail account.
then click on gear button and select setting.
Click on Accounts and Import.
Now Look “Check Mail from other accounts (using POP3)”.
Click on Add a POP3 mail account you own.
Enter your old gmail account Email Address.
In the next step you need to fill your..
Username: your email address (ie, email@example.com)
Password: your old gmail password
POP Server: pop.gmail.com
Leave a copy of retrieved message on the server: unchecked.
Always use a secure connection (SSL) when retrieving mail: checked
Label Incoming Messages: optional.
Now click on Add Account. you will see “Your mail Account has been added”
Click on Next Step.
Now your Old Mail is ready to import into new account. it will take time to import mail from old account to new gmail account.