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 …

If you're using an Exchange email account, you can delete the offline Outlook Data File (.ost) and Outlook will recreate the offline Outlook Data File (.ost) the next time you open Outlook.

Outlook Data Files (.pst), or Personal Storage Tables files, contain Outlook user messages and other Outlook items, such as contacts, appointments, tasks, notes, and journal entries. You might also use …

You may have an Offline Folders (.ost) file, but that file is automatically recreated by Outlook when you add a new email account. You can't move that file from one computer to another.

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.

Os Ficheiros de Dados do Outlook (.ost) são utilizados se tiver uma conta do Exchange e pretender trabalhar offline ou utilizar o Modo Exchange em Cache predefinido.

當您有 Exchange 帳戶，並且想要離線工作或使用預設 Exchange 快取模式 (離線) 時，就會使用 Outlook 資料檔 (.ost)。 此資料檔類型也適用於您透過適用於 Outlook.com (先前稱為 Hotmail) 的 Outlook …

Some accounts (IMAP, Microsoft Exchange Server, and Outlook.com) use an offline Outlook Data File (.ost). This is a synchronized copy of the messages saved on a server.

Arquivos de Dados do Outlook (.ost) são usados quando se tem uma conta do Exchange e se deseja trabalhar offline ou usar a Modo Cache do Exchange padrão. Esse tipo de arquivo de dados também …

First, locate the corresponding files according to the above path: Then, cut the corresponding .OST file: And paste it to the desktop: Try to start the Outlook again to see if it can be opened as expected. If …