Step #1 – Export Data File
Open Outlook > Click File > Open & Export > Import/Export > Export to a file > Outlook Data File (.pst) > Select the folder to export from > Next > Choose location with email address name
(backup – firstname.lastname@example.org) as .pst file> Finish > Do not enter password > Just click “OK”.
Step 2# – Add New Data File
Click Start button > Control Panel > Click Mail > Email accounts > Click Data Files tab >
Add Exported Data File (backup – email@example.com) > Compare folders/sub-folders and emails messages quantity of old and new (backup) data files.
Step #3 – Create New Email Account
Create New Email account (all processes are same) but with existing outlook data file.
NOTE: If you wanted to migrate account with manual process then simply Add a Data file through Control Panel and create folder/sub-folders one by one and follow process of (Right click > Move > Copy to Folder) respectively.