We can set the auto-archive folder on Outlook 2016 email client and its latest versions using the below procedures.
Procedure 1:
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Step 1: Open the Outlook email client on your local PC
Step 2: Select the folder that you want to AutoArchive.
Step 3: Click the Folder tab, and then click AutoArchive Settings.
Procedure 2:
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Step 1: Open the Outlook email client on your local PC
Step 2: Right-click the folder that you want to AutoArchive, and then click Properties.
Step 3: Click the AutoArchive tab.
Step 4: To set the AutoArchive properties for this folder, click to select the Clean out items older than check box.
Step 5: To specify when the items must be automatically transferred to your archive file, type a number in the Months box.
Step 6: To specify a file for the archived items to be transferred to, click Move old items to.
Step 7: In the Move old items to box, type a file name for the archived items, or click Browse to select from a list, and then click OK.