HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security

Check for the user's private key when the user sends an encrypted email that includes the user as a recipient
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\allowprivatekeycheck
Block send when web add-ins can't load
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\onsendaddinswaitforload
Authentication with Exchange Server
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\authenticationservice
Apply macro security settings to macros, add-ins and additional actions
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\donttrustinstalledfiles
Security setting for macros
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\level
Attachment Secure Temporary Folder
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\outlooksecuretempfolder
Promote Level 2 errors as errors, not warnings
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\promoteerrorsaswarnings
Missing root certificates
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\sigstatusnotrustdecision
Missing CRLs
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\sigstatusnocrl
Retrieving CRLs (Certificate Revocation Lists)
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\usecrlchasing
Enable Retrieval of Remote Certificate Authority Information
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\enableaiacertextension
Enable Cryptography Icons
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\convertsmimeblobsignedicons
Require SuiteB algorithms for S/MIME operations
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\suitebmode
Fortezza certificate policies
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\fortezza_policies
S/MIME receipt requests behavior
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\respondtoreceiptrequests
Signature Warning
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\warnaboutinvalid
Do not display 'Publish to GAL' button
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\publishtogaldisabled
Ensure all S/MIME signed messages have a label
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\forcesecuritylabel
URL for S/MIME certificates
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\enrollpageurl
Request an S/MIME receipt for all S/MIME signed messages
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\requestsecurereceipt
Send all signed messages as clear signed messages
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\clearsign
Sign all e-mail messages
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\alwayssign
Encrypt all e-mail messages
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\alwaysencrypt
Do not check e-mail address against address of certificates being used
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\supressnamechecks
Use UserIssuerSerialNumber
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\useissuerserialnumber
Run in FIPS compliant mode
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\fipsmode
Do not provide Continue option on Encryption warning dialog boxes
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\disablecontinueencryption
Message when Outlook cannot find the digital ID to decode a message
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\needencryptionstring
Message Formats
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\msgformats
Always use TNEF formatting in S/MIME messages
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\forcetnef
S/MIME interoperability with external clients:
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\externalsmime
Minimum encryption settings
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\minenckey
Required Certificate Authority
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\requiredca
Replies or forwards to signed/encrypted messages are signed/encrypted
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\nocheckonsessionsecurity
Do not automatically sign replies
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\nosignonreply
Prompt user to choose security settings if default settings fail
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\forcedefaultprofile
Disable 'Remember password' for Internet e-mail accounts
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\enablerememberpwd
Allow Active X One Off Forms
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\allowactivexoneoffforms
Configure Add-In Trust Level
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\addintrust
Use Protected View for attachments received from internal senders
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\markinternalasunsafe
Configure Simple MAPI message opening prompt
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\promptsimplemapiopenmessage
Configure Simple MAPI name resolution prompt
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\promptsimplemapinameresolve
Configure Simple MAPI sending prompt
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\promptsimplemapisend
Configure Outlook object model prompt When accessing the Formula property of a UserProperty object
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\promptoomformulaaccess
Configure Outlook object model prompt when executing Save As
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\promptoomsaveas
Configure Outlook object model prompt when responding to meeting and task requests
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\promptoommeetingtaskrequestresponse
Configure Outlook object model prompt when reading address information
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\promptoomaddressinformationaccess
Configure Outlook object model prompt when accessing an address book
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\promptoomaddressbookaccess
Configure Outlook object model prompt when sending mail
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\promptoomsend
Set Outlook object model custom actions execution prompt
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\promptoomcustomaction
Allow scripts in one-off Outlook forms
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\enableoneoffformscripts
Remove file extensions blocked as Level 2
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\fileextensionsremovelevel2
Add file extensions to block as Level 2
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\fileextensionsaddlevel2
Remove file extensions blocked as Level 1
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\fileextensionsremovelevel1
Add file extensions to block as Level 1
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\fileextensionsaddlevel1
Display OLE package objects
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\showolepackageobj
Do not prompt about Level 1 attachments when closing an item
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\dontpromptlevel1attachclose
Do not prompt about Level 1 attachments when sending an item
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\dontpromptlevel1attachsend
Allow users to demote attachments to Level 2
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\allowuserstolowerattachments
Display Level 1 attachments
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\showlevel1attach
Outlook Security Mode
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\adminsecuritymode
Do not allow Outlook object model scripts to run for public folders
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\publicfolderscript
Do not allow Outlook object model scripts to run for shared folders
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\sharedfolderscript
Do not allow folders in non-default stores to be set as folder home pages
- HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\security\nondefaultstorescript