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

Outlook stores backup files containing email, calendars, contacts, tasks, and notes on your computer. Learn how to find them.

You can create a new Outlook Data File and drag the items in the Lost and Found folder into the new data file. After you've moved all the items, you can remove the Recovered Personal …

Open and close Outlook Data Files (.pst) that contain copies, archives, or backups of your Outlook information.

Outlook Data Files (.pst) are saved on your computer in the Documents\Outlook Files folder. Older messages and items that you don't use regularly can be archived to an Outlook Data …

When you add a POP3 email account to Outlook or create archives or backup files from any of your accounts in Outlook, an Outlook Data File (.pst) may be created within your OneDrive.

Outlook Data Files (.ost) are used when you have an Exchange account and want to work offline or use or use the default Cached Exchange Mode. This type of data file is also used for …

Outlook Data File (.pst) support in new Outlook provides access to emails stored in a .pst file. You can browse, manage, and move emails (drag and drop) between .pst files and mailboxes.

說明如何調查 Outlook 資料檔 (.pst) 中的項目，並針對搜尋問題進行疑難排解。

Choose a location and name for your backup file, and then select Finish. If you want to ensure no one has access to your files, enter and confirm a password, and then select OK.