You might have stored Outlook items in an Outlook Data File (.pst) that you created in classic Outlook. If you want to open or close a .pst file, you now can do that in a few simple steps from …

If your online mailbox is nearly full, you can export some items to an Outlook Data File (.pst). You can also use these files to create archives, project files, or backups from any Outlook account.

Describes how to investigate items in an Outlook Data File (.pst) and troubleshoot search issues.

If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.

Note: Importing a mailbox or calendar using a .pst file is currently not supported in new Outlook at this time. To import from a .pst to a mailbox, you need to use the desktop version of Outlook …

この bak.pst ファイルを Outlook にインポートし、インポート/エクスポート ウィザードを使って、追加で回復されたアイテムを新しい .pst ファイルにインポートします。

Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox). If you see the User Account Control prompt that says, Do you want to …

If you want to back up the message folders locally (in addition to keeping them on the server), you can automatically move or delete older items with AutoArchive or export the items to a .pst file …

찾아보기를 선택하여 검사할 Outlook 데이터 파일 (.pst)을 선택합니다. Outlook 데이터 파일을 찾는 데 도움이 필요한 경우 Outlook 데이터 파일 찾기로 이동합니다.

打开和关闭 Outlook 数据文件 (.pst) ，其中包含 Outlook 信息的副本、存档或备份。