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Outlook 2007: 10 top tips

From speeding up attachment previews to integrating social networking, these tips will help get the most out of Outlook 2007

By Preston Gralla, Computerworld
June 01, 2010 07:01 PM ET

Page 6 of 8

There are times when you'll want to know where the files are stored, for example if you want to back them up. To help you out, following is a list of the default files, extensions and their locations, and what they do. Note that this is for setups where Outlook is not being used in concert with Exchange Server.

Keep in mind that many of these folders are hidden by default. If yours are hidden, you can tell Windows to display them. How you do that depends on your operating system. In Windows Vista click the Start button and select Control Panel --> Appearance and Personalization --> Folder Options. Then on the View Tab, under Advanced Settings, select "Show Hidden Files and Folders" under the Hidden Files and Folders entry. Click OK.

In Windows XP, click the Start button, then click Control Panel. Click Folder Options, and in the View tab, select "Show hidden files and folders" under the "Hidden files and folders" entry. Then click OK.

Outlook 2007 file locations




Personal Folders

file (.pst)

Contains all of your e-mail messages, contacts, calendar information and task information

Windows Vista and Windows 7:

\Users\username\AppData\Local\Microsoft\Outlook\Outlook.pst (or archive.pst or another .pst file)

Windows XP or Windows Server 2003:

\Documents and Settings\username\Local Settings\Application Data\Microsoft\Outlook\Outlook.pst (or archive.pst or another .pst file)

Command bar and menu customization information (.dat)

Stores information about how you have customized your command bar and other parts of Outlook

Windows Vista and Windows 7:


Windows XP:

\Documents and Settings\username\Application Data\Microsoft\Outlook\outcmd.dat

Navigation pane settings (.xml)

Stores information about how you configure the Navigation Pane

Windows Vista or Windows 7:


Windows XP:

\Documents and Settings\username\Application Data\Microsoft\Outlook\Outlook.xml

Outlook Contacts AutoComplete (.nk2)

Suggests names and e-mail addresses as you type, based on past use

Windows Vista or Windows 7:


Windows XP:

\Documents and Settings\username\Application Data\Microsoft\Outlook\Outlook.nk2


(.rtf, .txt, .htm)

Signatures you automatically attach to e-mails

Windows Vista or Windows 7:


Windows XP:

\Documents and Settings\username\Application Data\Microsoft\Signatures\

Stationery (.htm)

Stationery that can be used as a background for e-mail

Windows Vista or Windows 7:

\Program Files\Common Files\Microsoft Shared\Stationery\

Windows Vista or Windows 7 64-bit with Outlook 2007 32-bit:

\Program Files (x86)\Common Files\Microsoft Shared\Stationery\

Windows XP:

\Program Files\Common Files\Microsoft Shared\Stationery\

RSS feeds (

RSS settings

Windows Vista or Windows 7:


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