Where Is Outlook Pst File Windows 10

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When you add an email account to Outlook, a local re-create of your data is stored on your computer. This feature allows you to access your previously downloaded or synchronized electronic mail messages, calendar information, contacts, and tasks without an internet connectedness.

Certain types of accounts, such as Popular accounts, store their data in Outlook Data Files (.pst files). Outlook 365 accounts, Exchange accounts, IMAP accounts, and Outlook.com accounts store their information in Offline Outlook Data Files (.ost files).

Outlook Information File (.pst)

An Outlook Data File (.pst) contains your letters and other Outlook items and is saved on your computer. POP accounts—which is a common type of business relationship you can create when adding an email business relationship from an isp (Internet service provider) like Xfinity or AT&T or Cox—download all of your email messages from your mail server and save them on your computer.

Note: In Outlook 2013 and earlier versions, IMAP accounts also used an Outlook Information File (.pst). In Outlook 2016 and Outlook for Microsoft 365, IMAP accounts employ Offline Outlook Information Files (.ost).

Y'all can also use an Outlook Data File (.pst) to backup or export items from any blazon of electronic mail account. For more data on bankroll up your email letters, calendar, contact, and job data, come across Export or backup e-mail, contacts, and calendar to an Outlook .pst file. You can also import email messages, calendar, contact, and task data from some other Outlook Data File (.pst). For more information nearly importing items, see Import electronic mail, contacts, and calendar from an Outlook .pst file.

Note: You cannot import from an Offline Outlook Data File (.ost) file.

Considering these files are saved on your figurer, they aren't subject to mailbox size limits on a mail server. By moving items to an Outlook Data File (.pst) on your figurer, you can costless upwardly storage space in the mailbox on your mail server.

When messages or other Outlook items are saved in an Outlook Data File (.pst), the items are available only on the computer where the file is saved.

Offline Outlook Data File (.ost)

Most other account types, such as IMAP accounts, Microsoft 365 accounts, Commutation accounts, and Outlook.com accounts use an Offline Outlook Information File (.ost) file to store a synchronized copy of your mailbox information on your local computer. When your connection to the mail server is interrupted, for example, when you're on an aeroplane without WiFi or if your net connexion disconnects, you tin still access all emails, calendar data, contacts, and tasks that have been previously downloaded. You can read and compose messages, create appointments, and add contacts. However, your email messages won't be sent and no new messages will be downloaded until your net connection is restored.

When the connection is restored, changes are automatically synchronized, and the folders and items on the server and on your calculator are identical again.

Outlook Grouping Storage File (.nst)

The starting time time yous admission a Grouping in Outlook, a new type of Outlook data file is created. This file has an extension of .nst, and stores your Groups conversations and other local Groups information. All of this data is synchronized between your estimator and the email server, and so at that place is no need to support this file or import information technology when you prepare upwardly Outlook on a new computer.

File locations

The fastest way to open the folder where your Outlook Information Files (.pst and .ost) are saved is to do the post-obit:

In Outlook, click the File tab.
In correct pane, click Account Settings, and so click Account Settings.
On the Information Files tab, click an entry, then click Open up Binder Location.

Outlook Data Files (.pst) created by using Outlook 2013 or Outlook 2016 are typically saved on your figurer in the Documents\Outlook Files folder. If you upgraded to Outlook on a computer that already had data files that were created in Microsoft Office Outlook 2007 or before, these files are saved in a different location in a hidden binder at drive:\Users\user\AppData\Local\Microsoft\Outlook.

The offline Outlook Data File (.ost) is also saved at bulldoze:\Users\user\AppData\Local\Microsoft\Outlook. Most information remains on the server; however, any items that are saved locally should be backed upwardly. For instance, Calendar, Contacts, Tasks, and any folders marked Local simply.

Tip:For information about hidden folders in Windows, see Windows Help and Back up.