Full Uninstall and Manual Cleanup of Salesforce for Outlook (SFO)

Salesforce for Outlook (SFO) is a Salesforce integration add-in for Microsoft Outlook that syncs contacts, events, tasks, and emails between Outlook and Salesforce.
These instructions are for IT workers or advanced users who know how to view and edit the Windows Registry. If the SFO uninstallation or installation fails for any reason, use this article to manually clean up your machine and remove all the registry entries, files, and folders from your computer.
Important notes about registry key notation used in this article:

[HKLM | HKCU] refers to the HKEY_Local_Machine or HKEY_Current_User hive in the registry.
[WOW6432Node] means to find the keys at the folder without — or alternatively within — the WOW6432Node folder. This is relevant when 32-bit Office is installed on a 64-bit machine.
%APPDATA% is a special environment variable for the application data directory. Its value is C:\Users\USERNAME\AppData\Roaming.
%LOCALAPPDATA% is an environment variable that refers to the location of temporary files of applications. Its value is C:\Users\USERNAME\AppData\Local.
username refers to the username of the person who is logged in to the machine and installed SFO.
Depending on your installation type (Per Machine or Per User), some registry keys may or may not exist.

Link to the diagram

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http://www.dimastr.com/outspy/home.htm

this knowledge article

Visual C++ 2010 Redistributable x86 (Office 2007)

Visual C++ 2010 Redistributable x64 (Office 2010 64-bit)

Visual C++ 2010 Redistributable x86 (Office 2010 32-bit / Windows 64-bit)

Visual C++ 2010 Redistributable x86 (Office 2010 32-bit / Windows 32-bit)

Microsoft Visual Studio Tools for Office Runtime 2010 Redistributable (Office 2007)

Microsoft Visual Studio Tools for Office Runtime 2010 Redistributable (Office 2010)

.NET Framework 4.0

Step 1 — Uninstall Salesforce for Outlook via Control Panel

Uninstall Salesforce for Outlook (SFO) from Windows Control Panel > Programs > Programs and Features:

Select Salesforce For Outlook and click Uninstall.

Alternatively, run the uninstall from the Command Prompt using the appropriate installer for your system architecture:

For 64-bit: msiexec /uninstall SalesforceForOutlook_x64.msi
For 32-bit: msiexec /uninstall SalesforceForOutlook.msi

Step 2 — Retrieve the Package Code from Registry Editor

Open the Registry Editor and get the package code from the following registry key:
HKEY_CURRENT_USER\Software\Microsoft\Installer\UpgradeCodes\D0ADED3E72A08C94A884F94BF6BDD963
Note: This key only exists if SFO was installed using the "Me Only" (Per User) option, or for SFO versions 2.5 through 2.7 which only install for the current user.

Step 3 — Remove Installer Registry Keys

Delete the following registry keys:

HKEY_CLASSES_ROOT\Salesforce for Outlook Side Panel
HKEY_CURRENT_USER\Software\Microsoft\Installer\UpgradeCodes\D0ADED3E72A08C94A884F94BF6BDD963
HKEY_CURRENT_USER\Software\Microsoft\Installer\Products\{PACKAGE CODE FROM STEP 2}
HKEY_CLASSES_ROOT\Installer\Features\438EE6D63770A404C9E85F5C4F7B4360
HKEY_CLASSES_ROOT\Installer\Features\ADA6E6116A3152749B478E9015E32E33

Examples by SFO version:
For SFO 3.3.0, the product key is: HKEY_CURRENT_USER\Software\Microsoft\Installer\Products\ADA6E6116A3152749B478E9015E32E33
For SFO 2.7, the product key is: HKEY_CURRENT_USER\Software\Microsoft\Installer\Products\E06DEC2F22E20884D812A3EAB1D06EDC

Step 4 — Remove Salesforce for Outlook Registry Keys

Delete the following registry key:
[HKLM | HKCU]\[Wow6432Node]\Software\salesforce.com\Salesforce for Outlook

Step 5 — Remove Add-in Registry Keys

Delete the following add-in registry keys. Note that depending on how the application was installed (Per Machine vs. Per User) and the bitness of Windows and Office, the add-ins may be located in different areas (HKLM, HKCU, or Wow6432Node):

[HKLM | HKCU]\[Wow6432Node]\Software\Microsoft\Office\Outlook\Addins\SalesforceForOutlook
[HKLM | HKCU]\[Wow6432Node]\Software\Microsoft\Office\Outlook\Addins\AddinSidePanel.AddinModule
[HKLM | HKCU]\[Wow6432Node]\Software\Microsoft\Office\Outlook\Addins\ADXForm
[HKLM | HKCU]\[Wow6432Node]\Software\Microsoft\Office\Outlook\Addins\SfdcRdm.Addin

Step 6 — Remove Outlook Version-Specific Registry Keys

Replace XX.0 in the key paths below with the registry version number that corresponds to your Outlook version:

Outlook 2007 uses version key 12.0
Outlook 2010 uses version key 14.0
Outlook 2013 uses version key 15.0
Outlook 2016 uses version key 16.0

Delete the following registry keys, substituting the correct version number:

[HKLM|HKCU]\[Wow6432Node]\Software\Microsoft\Office\[XX.0]\Outlook\Addins\SalesforceForOutlook
[HKLM|HKCU]\[Wow6432Node]\Software\Microsoft\Office\[XX.0]\Outlook\Addins\AddinSidePanel.AddinModule
[HKLM|HKCU]\[Wow6432Node]\Software\Microsoft\Office\[XX.0]\Outlook\Addins\ADXForm
[HKLM|HKCU]\[Wow6432Node]\Software\Microsoft\Office\[XX.0]\Outlook\Addins\SfdcRdm.Addin

Step 7 — Remove Redemption Registry Keys

Delete the following registry key:
[HKLM | HKCU]\[WOW6432Node]\Software\Redemption

Step 8 — Remove IE Emulation Keys (Optional)

This step is optional. Delete the following registry key:
[HKLM | HKCU]\[WOW6432Node]\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\OUTLOOK.EXE
Also delete the following keys if they exist:

HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION

Additionally, search the registry for each of the following keywords and delete any keys and subkeys that contain them:

Salesforce for outlook
SalesforceForOutlook (use "Match whole string only" option when searching for this keyword)
adxloader
Sfdcmsol
Sfdcrdm

Step 9 — Remove Local Settings Folders (Per User)

Delete the following folder: %APPDATA%\salesforce.com\Salesforce for Outlook\
This resolves to: C:\Users\username\AppData\Roaming\salesforce.com\Salesforce for Outlook\

Step 10 — Remove Executable Folders (Per User — "Me Only" Installation)

Delete the following folder: %LOCALAPPDATA%\Programs\salesforce.com\Salesforce for Outlook\
This resolves to: C:\Users\username\AppData\Local\Programs\salesforce.com\Salesforce for Outlook\

Step 11 — Remove Executable Folders (Per Machine — "Everyone" Installation)

Delete the following folders:

C:\Program Files\salesforce.com\Salesforce for Outlook\
C:\Program Files (x86)\salesforce.com\Salesforce for Outlook\

Step 12 — Remove Outlook User Properties on Mail, Contacts, Events, and Tasks

Install Outlook Spy (a tool that allows you to view and edit user properties on Outlook items) or a similar application.
For Mail, Contacts, Events, and Task items: remove the properties named "SfdcRecordId", "SfdcRecordIds", and "SfdcUserId".
For Mail items only: additionally remove "SaleforceTaskId", "SalesforceAssociationIds", and "SalesforceAssociationError".

Prerequisites

The following prerequisite components may already be present on the client's machine, or they may be installed automatically during the SFO installation process. For more information, see How to install Primary Interop Assemblies (PIA) and Office Visual Studio Runtime manually.

Office 2007 PIAs: o2007pia.msi — or — Office 2010 PIAs: o2010pia.msi (depending on your installed Outlook version)
Visual C++ 2010 Redistributable x86 (for Office 2007)
Visual C++ 2010 Redistributable x64 (for Office 2010 64-bit)
Visual C++ 2010 Redistributable x86 (for Office 2010 32-bit / Windows 64-bit)
Visual C++ 2010 Redistributable x86 (for Office 2010 32-bit / Windows 32-bit)
Microsoft Visual Studio Tools for Office Runtime 2010 Redistributable (Office 2007)
Microsoft Visual Studio Tools for Office Runtime 2010 Redistributable (Office 2010)
.NET Framework 4.0