An Engineers Notebook

Outlook Switches

List of available switches to run Outlook with – these are great for troubleshooting Outlook.

Switch

Description

/a

Creates
an item with the specified file as an attachment.

Example:

  • “c:program
    filesmicrosoft officeoffice14outlook.exe” /a “c:my
    documentslabels.doc”

If no
item type is specified, IPM.Note is assumed. Cannot be used with message
classes that are not based on Outlook.

/altvba
otmfilename

Opens
the VBA program specified in otmfilename, instead of
%appdata%microsoftoutlookvbaproject.otm.

Note    This command line
switch is only available if the following Windows registry DWORD value is set
to 1. HKEY_CURRENT_USERSoftwareMicrosoftOffice14.0OutlookSecurityEnableAltVba

/c
messageclass

Creates
a new item of the specified message class (Outlook forms or any other valid
MAPI form).

Examples:

  • /c ipm.activity creates a Journal
    entry
  • /c ipm.appointment creates
    an appointment
  • /c ipm.contact creates a
    contact
  • /c ipm.note creates an
    e-mail message
  • /c ipm.stickynote creates
    a note
  • /c ipm.task creates a task

/checkclient

Prompts
for the default manager of e-mail, news, and contacts.

/cleanautocompletecache

Removes
all names and e-mail addresses from the Auto-Complete list.

/cleancategories

Deletes
any custom category names that you have created. Restores categories to the
default names.

/cleanclientrules

Starts
Outlook and deletes client-based rules.

/cleanconvongoingactions

Deletes
the Conversations Actions Table (CAT). CAT entries for a conversation thread
usually expire 30 days after no activity. The command-line switch clears all
conversation tagging, ignore, and moving rules immediately stopping any
additional actions.

/cleandmrecords

Deletes
the logging records saved when a manager or a delegate declines a meeting.

/cleanfinders

Resets
all Search Folders in the Microsoft Exchange mailbox for only the first
profile opened.

/cleanfreebusy

Clears
and regenerates free/busy information. This switch can be used only when you
are able to connect to the server that runs Exchange.

/cleanfromaddresses

Removes
all manually added From entries from the profile.

/cleanmailtipcache

Removes
all MailTips from the cache.

/cleanreminders

Clears
and regenerates reminders.

/cleanroamedprefs

All
previous roamed preferences are deleted and copied again from the local
settings on the computer where this switch is used. This includes the roaming
settings for reminders, free/busy grid, working hours, calendar publishing,
and RSS rules.

/cleanrules

Starts
Outlook and deletes client-based and server-based rules.

/cleanserverrules

Starts
Outlook and deletes server-based rules.

/cleansharing

Removes
all RSS, Internet Calendar, and SharePoint subscriptions from Account
Settings, but leaves all the previously downloaded content on your computer.
This is useful if you cannot delete one of these subscriptions within Outlook
2010.

/cleansniff

Overrides
the programmatic lockout that determines which of your computers (when you
run Outlook at the same time) processes meeting items. The lockout process
helps prevent duplicate reminder messages. This switch clears the lockout on
the computer it is used. This enables Outlook to process meeting items.

/cleansubscriptions

Deletes
the subscription messages and properties for subscription features.

/cleanviews

Restores
default views. All custom views that you created are lost.

/embedding

Used
without command-line parameters for standard OLE co-create.

/f
msgfilename

Opens
the specified message file (.msg) or Microsoft Office saved search (.oss).

/finder

Opens
the Advanced Find dialog box.

/hol
holfilename

Opens
the specified .hol file.

/ical
icsfilename

Opens
the specified .ics file.

/importNK2

Imports
the contents of an .nk2 file which contains the nickname list that is used by
both the automatic name checking and Auto-Complete features.

/importprf
prffilename

Starts
Outlook and opens/imports the defined MAPI profile (*.prf). If Outlook is
already open, queues the profile to be imported on the next clean start.

/launchtraininghelp
assetid

Opens a
Help window with the Help topic specified in assetid displayed.

/m
emailname

Provides
a way for the user to add an e-mail name to the item. Only works together
with the /c command-line parameter.

Example:

  • Outlook.exe /c ipm.note /m
    emailname

/nopreview

Starts
Outlook with the Reading Pane off.

/p
msgfilename

Prints
the specified message (.msg).

/profile
profilename

Loads
the specified profile. If your profile name contains a space, enclose the
profile name in quotation marks (” “).

/profiles

Opens
the Choose Profile dialog box regardless of the Options setting
on the Tools menu.

/promptimportprf

Same as
/importprf except that a prompt appears and the user can cancel the import.

/recycle

Starts
Outlook by using an existing Outlook window, if one exists.

/remigratecategories

Starts
Outlook and starts the following commands on the default mailbox:

  • Upgrades colored For
    Follow Up flags to Outlook 2010 color categories.
  • Upgrades calendar labels
    to Outlook 2010 color categories.
  • Adds all categories used
    on non-mail items into the Master Category List

Note    This is the same
command as Upgrade to Color Categories in each Outlook mailbox
properties dialog box.

/resetfolders

Restores
missing folders at the default delivery location.

/resetfoldernames

Resets
default folder names (such as Inbox or Sent Items) to default
names in the current Office user interface language.

For
example, if you first connect to your mailbox in Outlook by using a Russian
user interface, the Russian default folder names cannot be renamed. To change
the default folder names to another language, such as Japanese or English,
you can use this switch to reset the default folder names after you change
the user interface language or install a different language version of
Outlook.

/resetformregions

Empties
the form regions cache and reloads the form region definitions from the
Windows registry.

/resetnavpane

Clears
and regenerates the Navigation Pane for the current profile.

/resetquicksteps

Restores
the default Quick Steps. All user-created Quick Steps are deleted.

/resetsearchcriteria

Resets
all Instant Search criteria so that the default set of criteria is shown in
each module.

/resetsharedfolders

Removes
all shared folders from the Navigation Pane.

/resettodobar

Clears
and regenerates the To-Do Bar task list for the current profile. The To-Do
Bar search folder is deleted and re-created.

/restore

Attempts
to open the same profile and folders that were open prior to an abnormal
Outlook shutdown.

/rpcdiag

Opens
Outlook and displays the remote procedure call (RPC) connection status dialog
box.

/safe

Starts
Outlook without the Reading Pane or toolbar customizations. Both native and
managed Component Object Model (COM) add-ins are turned off.

/safe:1

Starts
Outlook with the Reading Pane off.

/safe:3

Both
native and managed Component Object Model (COM) add-ins are turned off.

/select
foldername

Starts
Outlook and opens the specified folder in a new window. For example, to open
Outlook and display the default calendar, use: “c:program
filesmicrosoft officeoffice14outlook.exe” /select outlook:calendar.

/share
feed://URL/filename

/share
stssync://URL

/share
web://URL/filename

Specifies
a sharing URL to connect to Outlook. For example, use stssync://URL to
connect a SharePoint list to Outlook.

/sniff

Starts
Outlook, forces a detection of new meeting requests in the Inbox, and
then adds them to the calendar.

/t
oftfilename

Opens
the specified .oft file.

/v
vcffilename

Opens
the specified .vcf file.

/vcal
vcsfilename

Opens
the specified .vcs file.

/cleanips

Clears messages are stuck in the incoming item processing pipeline

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