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11 sept. 2021 · Learn how to find the folder where Outlook stores your email messages, contacts, calendars, and other data as .pst or .ost files. The location depends on the Outlook version and the email account type.
- Heinz Tschabitscher
- Overview
- Outlook Data File (.pst)
- Offline Outlook Data File (.ost)
- Outlook Group Storage File (.nst)
- File locations
- Related Topics
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When you add an email account to Outlook, a local copy of your information is stored on your computer. This feature allows you to access your previously downloaded or synchronized email messages, calendar information, contacts, and tasks without an internet connection.
Certain types of accounts, such as POP accounts, store their information 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).
An Outlook Data File (.pst) contains your messages and other Outlook items and is saved on your computer. POP accounts—which is a common type of account you can create when adding an email account from an internet service provider (ISP) 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 Data File (.pst). In Outlook 2016 and Outlook for Microsoft 365, IMAP accounts use Offline Outlook Data Files (.ost).
You can also use an Outlook Data File (.pst) to backup or export items from any type of email account. For more information on backing up your email messages, calendar, contact, and task data, see Export or backup email, contacts, and calendar to an Outlook .pst file. You can also import email messages, calendar, contact, and task data from another Outlook Data File (.pst). For more information about importing items, see Import email, contacts, and calendar from an Outlook .pst file.
Note: You cannot import from an Offline Outlook Data File (.ost) file.
Because these files are saved on your computer, they aren’t subject to mailbox size limits on a mail server. By moving items to an Outlook Data File (.pst) on your computer, you can free up 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.
Most other account types, such as IMAP accounts, Microsoft 365 accounts, Exchange accounts, and Outlook.com accounts use an Offline Outlook Data 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 airplane without WiFi or if your internet connection disconnects, you can 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 internet connection is restored.
When the connection is restored, changes are automatically synchronized, and the folders and items on the server and on your computer are identical again.
The first time you access a Group 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 data. All of this information is synchronized between your computer and the email server, so there is no need to back up this file or import it when you set up Outl...
The fastest way to open the folder where your Outlook Data Files (.pst and .ost) are saved is to do the following:
1.In Outlook, select the File tab, then on the Info tab, select Account Settings > Account Settings.
2.Select the Data Files tab, select an entry in the table, and then click Open Folder Location.
Outlook Data Files (.pst) created by using Outlook 2013 or Outlook 2016 are typically saved on your computer 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 earlier, these files are saved in a different location in a hidden folder at drive:\Users\user\AppData\Local\Microsoft\Outlook.
Create an Outlook Data File (.pst) to save your information
Import email, contacts, and calendar from an Outlook .pst file
Learn how Outlook Data Files (.pst and .ost) store your email messages, calendar, contacts, and tasks on your computer. Find out how to access, backup, import, and repair these files.
Outlook saves backup information in different locations depending on your account type. Learn how to find and transfer your .pst or .ost files from one computer to another.
28 oct. 2016 · By default, Outlook 2007 and 2010 store PST files in your AppData folder at the following location: C:\users\username\AppData\Local\Microsoft\Outlook. Outlook also stores all OST files in that same AppData location, regardless of what Outlook version you're running.
- Walter Glenn
1 juin 2021 · Gmail. Learn what items in Gmail use storage space. Messages and attachments, like items in your Spam and Trash folders, take up space. Learn what happens when you run out of space in Gmail. When...
In Outlook on your desktop, choose File > Open & Export > Open Outlook Data File. Choose the Outlook data file you want to open. Expand the top level of the Outlook data file in the Outlook Navigation pane to see the subfolders in the file. Click each subfolder to see the contents.
Short Answer. Microsoft Outlook stores emails in a PST (personal storage table) file on a user’s computer. These files are usually stored in the C: drive/Documents and Settings/username/local settings/application data/Microsoft/Outlook directory. Additionally, Outlook can store emails on an Exchange server or an Office 365 account.
