1. Log into cPanel and navigate to e-mail accounts.

2. Click 'quota' on the email account that you want to modify quota.

3. Modify the size you want
1. If you have a limited disk package from us please enter a value below than the allocated disk space.
2. If you have a premium package which is unlimited choose Unlimited or enter a value you want to allocate in the first box.

4. Click Save to save the changes.