Back up your email
Select File > Open & Export > Import/Export.
Select Export to a file, and then select Next.
Select Outlook Data File (.pst), and select Next.
Select the mail folder you want to back up and select Next.
Choose a location and name for your backup file, and then select Finish.
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Back up your email Select File > Open & Export > Import/Export. Select Export to a file, and then select Next. Select Outlook Data File (.pst), and select Next. Select the mail folder you want to back up and select Next. Choose a location and name for your backup file, and then select Finish.