Your data will automatically transfer as long as you are using the same login credentials for the account.
How to Transfer into the Online versionhttps://ttlc.intuit.com/community/entering-importing/help/how-do-i-transfer-last-year-s-return-into-turbotax-online/00/25953
How to Transfer into the Windows Desktop programhttps://ttlc.intuit.com/community/entering-importing/help/transfer-last-year-s-return-to-turbotax-for-windows/00/26145
How to Transfer into the Mac Desktop programhttps://ttlc.intuit.com/community/tax-data-file/help/how-do-i-transfer-last-year-s-return-into-the-turbotax-for-mac-software/00/26062