Step 1:

From the ‘File’ menu, select ‘Open,’ then ‘Import and Export.’

Step 2:

Select ‘Import from another program or file’ and then click ‘Next.’

Step 3:

Select ‘Outlook Data File (.pst)’ and click ‘Next.’

Step 4:

Select ‘Browse’ to find and select your export file. Select ‘Replace duplicates with items imported,’ then click ‘Next.’

Step 5:

Enter the password you made for your export file when you created it.

Step 6:

Select the profile name and check ‘Include subfolders.’ Select ‘Import items into the same folder in:’ and select your mail profile or address.