Where does Outlook store emails? All the information

Depending on the account type, Outlook stores files and emails in different locations. For Microsoft Exchange or Office 365 accounts, email is stored on a server by default. The Outlook data file (PST) is responsible for storing data on your operating system.

Where Outlook saves your emails

Microsoft Outlook backs up all your data such as calendar contents, contacts, notes, signatures and of course your emails in the form of Outlook data file, PST file for short. By default, you will find this backup copy of the contents of your Outlook account, depending on the version, in the following locations in Windows 10:X:\Users\<username>\Documents\Outlook files\You can move the PST file stored there, which also contains the emails of the Outlook account, to another PC and thereby retain the existing information.

Here Outlook stores offline files on your PC

The Outlook Offline File (OST) acts as a backup copy of the stored emails on a Microsoft server. The data of the synchronized account is stored in Windows 10 under the following location:X:\Users\<Username>\AppData\Local\Microsoft\Outlook\Because all data of an OST file is also stored on the server, no backup is necessary. The OST file stored on the PC is used by the Outlook server to continuously synchronize calendar entries and emails.