To run Outlook with a command line switch, we recommend Outlook be closed before using the following steps.
Windows Vista/7:
1. From the Windows 7 operating system, Click Start.
2. Navigate to and Click All Programs.
3. Within All Programs, locate Accessories and choose Run.
4. Witihn the Run dialoge box, enter the following into the run field (with quotations):
"c:\program files\microsoft office\office14\Outlook.exe" /Commandswitch
Note: For 32-bit versions of Outlook running on 64-bit Operating Systems, you will enter the following (with quotations):
"c:\program files (x86)\microsoft office\office14\Outlook.exe" /Commandswitch
5. Click OK.
Windows 8
1. a. Swipe up to show the Apps screen. If you are using a mouse, click the down arrow icon at the bottom of the screen.
b. Press WIN and X together on the keyboard and select Run.
c. Right-Click on the Start menu.
2. On the Apps screen, swipe or scroll to the right and locate the Windows System section heading.
3. Under Windows System, press or click on Command Prompt.
4. Enter the following in the Run dialog box (with quotations):
"c:\program files\microsoft office\office15\outlook.exe" /commandswitch
Note: For 32-bit versions of Outlook running on 64-bit operating systems, you will enter the following (with quotations):
"c:\program files(x86)\microsoft office\office15\outlook.exe" /commandswitch
Recommended command switches
| /checkclient | Prompts to make Outlook the default application for email, news, and contacts. |
| /cleanautocompletecache | Removes all names and e-mail addresses from the Auto Complete list. |
| /cleanclientrules | Starts Outlook and deletes client-based rules. |
| /cleanfreebusy | Clears and regenerates the free/busy information on the Exchange server. This switch affects Outlook and OWA data, and can only be used when connected to Exchange. |
| /cleanfromaddress | Removes all manually added From: entries. |
| /cleanreminders | Clears and regenerates schedule reminders. |
| /cleanrules | Starts Outlook and deletes all client-based and server-based rules. |
| /cleanserverrules | Starts Outlook and deletes server-based rules. |
| /cleansharing | Removes all RSS, Internet Calendar, and SharePoint subscriptions, but leaves all previously downloaded content on your computer. |
| /cleansniff | Deletes duplicate reminder messages. |
| /cleanviews | Removes all custom views and restores default views. |
| /nopreview |
Starts Outlook with the Reading Pane turned off. |
| /profiles | Open the Choose Profile dialog box. |
| /resetfolders | Restores missing folders for the default delivery location. |
| /resetnavpane | Clears and regenerates the Navigation Pane. |
| /resetsharedfolders | Removes all shared folders from the Navigation Pane. |
| /resettodobar | Clears and regenerates the To-Do Bar task list. |
| /restore | Attempts to open the same profile and folders that were open prior to an abnormal Outlook shutdown. |
| /safe | Starts Outlook with all extensions turned off and without Reading Pane or toolbar customizations. |