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 accounts that you …

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.

Outlook 資料檔案 (.pst) ，或稱個人儲存表檔案，包含 Outlook 使用者訊息及其他 Outlook 項目，如聯絡人、約會、任務、筆記和日誌條目。 你也可以使用Outlook資料檔來備份訊息，或將舊資料儲存在電 …

Learn how to find out the size of your mailbox and its folders and how to compact Outlook Data Files (.pst and .ost), which might help improve performance.

I file di dati di Outlook offline (OST) sono copie delle informazioni di Exchange. Non è necessario eseguire un backup di questo file. È possibile creare una nuova copia in qualsiasi momento.

In questo articolo viene spiegato come esaminare gli elementi in un file di dati di Outlook (con estensione pst) e risolvere i problemi relativi alla ricerca.

Outlook データ ファイル (.ost) は、Exchange アカウントを持っており、それをオフラインで使用するか、既定値の Exchange キャッシュ モードを使用する場合に使用します。

In order to view some of the backup files for Outlook, you'll need to unhide system folders and file name extensions. For information on how to perform that task, see How to unhide folders and file name …

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