How to Find the Archive Folder
If you have an Microsoft 365, Exchange, Exchange Online, or Outlook.com accounts, your Archive folder already exists, even if you have never used it before. The folder is in your Outlook folder list.
Missing Archive Folder? Update Outlook
If you are using Outlook 365, Outlook 2019, or Outlook 2016 and do not see the Archive folder, perform an update on Outlook.
How to Access the Outlook Online Archive Folder
If you have an Outlook Online email account, the archive folder is available online.
How to Find Items in an Outlook Data File (.pst)
Your archived items might be stored in an Outlook data file, also known as a Personal Folders File (.pst), if you use a POP or IMAP account or if you use AutoArchive with your Exchange server email account. When you open the Personal Folders file in Outlook, you are able to search specific words or phrases.