If you download and use an email client like Thunderbird, you can set it up to retrieve all your emails stored in Gmail down to your hard drive. Then, when you delete them from your gmail account, you still have a record etc, which is another aspect that may make transition easier.
If you download and use an email client like Thunderbird, you can set it up to retrieve all your emails stored in Gmail down to your hard drive. Then, when you delete them from your gmail account, you still have a record etc, which is another aspect that may make transition easier.
Search Thunderbird, POP/IMAP, etc.