Windows Detailed activity properties in the audit log

Value	UserType member name	Description	UserKey
0	Regular	A regular user without admin permissions.	Microsoft Entra Object ID in GUID format
2	Admin	An administrator in your Microsoft 365 organization.1	Microsoft Entra Object ID in GUID format
3	DCAdmin	A Microsoft datacenter administrator or datacenter system account.	Microsoft Entra Object ID in GUID format
4	System	An audit event triggered by server-side logic. For example, Windows services or background processes.	Guid.Empty.ToString() (or the value '00000000-0000-0000-0000-000000000000').
5	Application	An audit event triggered by a Microsoft Entra application.	Microsoft Entra Application Name or Application ID (when available). Otherwise, an empty string.
6	ServicePrincipal	A service principal.	Guid.Empty.ToString() (or the value '00000000-0000-0000-0000-000000000000').
7	CustomPolicy	A customer created or managed policy.	Guid.Empty.ToString() (or the value '00000000-0000-0000-0000-000000000000').
8	SystemPolicy	A Microsoft-managed or system policy.	Guid.Empty.ToString() (or the value '00000000-0000-0000-0000-000000000000').
9	PartnerTechnician	A partner tenant's user working on behalf of the customer tenant (in GDAP scenarios).	Guid.Empty.ToString() (or the value '00000000-0000-0000-0000-000000000000').
10	Guest	A guest or anonymous user.	Guid.Empty.ToString() (or the value '00000000-0000-0000-0000-000000000000').

Property	Description	Microsoft service that has this property
Actor	The user or service account that performed the action.	Azure Active Directory
AddOnName	The name of an add-on that was added, removed, or updated in a team. The type of add-ons in Microsoft Teams is a bot, a connector, or a tab.	Microsoft Teams
AddOnType	The type of an add-on that was added, removed, or updated in a team. The following values indicate the type of add-on. 1 - Indicates a bot. 2 - Indicates a connector. 3 - Indicates a tab.	Microsoft Teams
AppAccessContext	The application context for the user or service principal that performed the action.	Microsoft Teams
ArtifactShared	Files or content shared by the user.	Microsoft Teams
AzureActiveDirectoryEventType	The type of Azure Active Directory activity. The following values indicate the type of activity. 0 - Indicates an account login activity. 1 - Indicates an Azure application security activity.	Azure Active Directory
ChannelGuid	The ID of a Microsoft Teams channel. The team that the channel is located in is identified by the TeamName and TeamGuid properties.	Microsoft Teams
ChannelName	The name of a Microsoft Teams channel. The team that the channel is located in is identified by the TeamName and TeamGuid properties.	Microsoft Teams
Client	The client device, the device OS, and the device browser used for the login activity (for example, Nokia Lumia 920; Windows Phone 8; IE Mobile 11).	Azure Active Directory
ClientInfoString	Information about the email client that was used to perform the operation, such as a browser version, Outlook version, and mobile device information	Exchange (mailbox activity)
ClientIP	The IP address of the device that was used when the activity was logged. The IP address is displayed in either an IPv4 or IPv6 address format. For some services, the value displayed in this property might be the IP address for a trusted application (for example, Office on the web apps) calling into the service on behalf of a user and not the IP address of the device used by person who performed the activity. Also, for admin activity (or activity performed by a system account) for Azure Active Directory-related activities, the IP address isn't logged and the value for the ClientIP property is null.	Azure Active Directory, Exchange, SharePoint
CreationTime	The date and time in Coordinated Universal Time (UTC) when the audit log record is generated.	All
CurrentProtectionType	A complex property type containing fields to describe the current protection status of a document. Includes the following: ProtectionType: Enumerates the type of protection applied to the document. These values and their meanings apply: 0 (no protection), 1 (template-based protection), 2 (don't forward, for email), 3 (encrypt only), and 4 (custom, user configured protection) Owner: The email address of the user that configured protection. TemplateId: When the ProtectionType is set to 1 (template), this field contains the GUID of the template applied to the document. When the value of ProtectionType doesn't equal 1, this field is blank. DocumentEncrypted: Boolean flag indicating if any type of encryption is applied to the document. Values are True or False.	All
DestinationFileExtension	The file extension of a file that is copied or moved. This property is displayed only for the FileCopied and FileMoved user activities.	SharePoint
DestinationFileName	The name of the file is copied or moved. This property is displayed only for the FileCopied and FileMoved actions.	SharePoint
DestinationRelativeUrl	The URL of the destination folder where a file is copied or moved. The combination of the values for the SiteURL, the DestinationRelativeURL, and the DestinationFileName property is the same as the value for the ObjectID property, which is the full path name for the file that was copied. This property is displayed only for the FileCopied and FileMoved user activities.	SharePoint
EventSource	Identifies that an activity occurred in SharePoint. Possible values are SharePoint and ObjectModel.	SharePoint
ExternalAccess	For Exchange admin activity, specifies whether the cmdlet was run by a user in your organization, by Microsoft datacenter personnel or a datacenter service account, or by a delegated administrator. The value False indicates that the cmdlet was run by someone in your organization. The value True indicates that the cmdlet was run by datacenter personnel, a datacenter service account, or a delegated administrator. For Exchange mailbox activity, specifies whether a mailbox was accessed by a user outside your organization.	Exchange
ExtendedProperties	The extended properties for an Azure Active Directory activity.	Azure Active Directory
ID	The ID of the report entry. The ID uniquely identifies the report entry.	All
InternalLogonType	Reserved for internal use.	Exchange (mailbox activity)
ItemType	The type of object that was accessed or modified. Possible values include File, Folder, Web, Site, Tenant, and DocumentLibrary.	SharePoint
IsJoinedFromLobby	Whether or not the user joined a Teams session from the lobby.	Microsoft Teams
LoginStatus	Identifies login failures that might have occurred.	Azure Active Directory
LogonType	The type of mailbox access. The following values indicate the type of user who accessed the mailbox. 0 - Indicates a mailbox owner. 1 - Indicates an administrator. 2 - Indicates a delegate. 3 - Indicates the transport service in the Microsoft datacenter. 4 - Indicates a service account in the Microsoft datacenter. 6 - Indicates a delegated administrator.	Exchange (mailbox activity)
MailboxGuid	The Exchange GUID of the mailbox that was accessed.	Exchange (mailbox activity)
MailboxOwnerUPN	The email address of the person who owns the mailbox that was accessed.	Exchange (mailbox activity)
Members	Lists the users that have been added or removed from a team. The following values indicate the Role type assigned to the user. 1 - Indicates the Owner role. 2 - Indicates the Member role. 3 - Indicates the Guest role. The Members property also includes the name of your organization, and the member's email address.	Microsoft Teams
ModifiedProperties (Name, NewValue, OldValue)	The property is included for admin activities, such as adding a user as a member of a site or a site collection admin group. The property includes the name of the property that was modified (for example, the Site Admin group) the new value of the modified property (such the user who was added as a site admin, and the previous value of the modified object).	All (admin activity)
ObjectFullyQualifiedName	The fully qualified name for an entity.	Microsoft Purview (governance)
ObjectId	For Exchange admin audit logging, the name of the object that was modified by the cmdlet. For SharePoint activity, the full URL path name of the file or folder accessed by a user. For Azure AD activity, the name of the user account that was modified.	All
ObjectName	The main entity name.	Microsoft Purview (governance)
ObjectType	The entity type.	Microsoft Purview (governance)
OldValue	The value before a change, includes all properties updated or deleted.	Microsoft Purview (governance)
Operation	The name of the user or admin activity. The value of this property corresponds to the value that was selected in the Activities drop down list. If Show results for all activities was selected, the report will included entries for all user and admin activities for all services. For a description of the operations/activities that are logged in the audit log, see the Audited activities tab in Search the audit log in the Office 365. For Exchange admin activity, this property identifies the name of the cmdlet that was run.	All
OrganizationId	The GUID for your organization.	All
NewValue	The value after a change, includes all properties updated or deleted.	Microsoft Purview (governance)
Path	The name of the mailbox folder where the message that was accessed is located. This property also identifies the folder a where a message is created in or copied/moved to.	Exchange (mailbox activity)
Parameters	For Exchange admin activity, the name and value for all parameters that were used with the cmdlet that is identified in the Operation property.	Exchange (admin activity)
ParticipantInfo	Additional properties about the participant identity.	Microsoft Teams
ParticipatingDomainInformation	Domain information about the participant.	Microsoft Teams
PreviousProtectionType	A complex property type containing fields to describe the previous protection status of a document. Includes the following: ProtectionType: Enumerates the type of protection applied to the document. These values and their meanings apply: 0 (no protection), 1 (template-based protection), 2 (don't forward, for email), 3 (encrypt only), and 4 (custom, user configured protection) Owner: The email address of the user that configured protection. TemplateId: When the ProtectionType is set to 1 (template), this field contains the GUID of the template applied to the document. When the value of ProtectionType doesn't equal 1, this field is blank. DocumentEncrypted: Boolean flag indicating if any type of encryption is applied to the document. Values are True or False.	All
ProtectionEventType	Enumerates how the protection was changed by the operation being audited. The following values and meanings apply: 0 - Indicates unchanged. 1 - Indicates added. 2 - Indicates changed. 3 - Indicates removed.	All
RecordType	The type of operation indicated by the record. This property indicates the service or feature that the operation was triggered in. For a list of record types and their corresponding ENUM value (which is the value displayed in the RecordType property in an audit record), see Audit log record type.
ResultStatus	Indicates whether the action (specified in the Operation property) was successful or not. For Exchange admin activity, the value is either True (successful) or False (failed).	All
SecurityComplianceCenterEventType	Indicates that the activity was a Microsoft Purview portal and compliance portal activity. All Microsoft Purview portal and compliance portal activities will have a value of 0 for this property.	Microsoft Purview portal Microsoft Purview compliance portal
SensitivityLabel	The sensitivity label assigned to a specific mail item.	Exchange
SharingType	The type of sharing permissions that was assigned to the user that the resource was shared with. This user is identified in the UserSharedWith property.	SharePoint
Site	The GUID of the site where the file or folder accessed by the user is located.	SharePoint
SiteUrl	The URL of the site where the file or folder accessed by the user is located.	SharePoint
SourceFileExtension	The file extension of the file that was accessed by the user. This property is blank if the object that was accessed is a folder.	SharePoint
SourceFileName	The name of the file or folder accessed by the user.	SharePoint
SourceRelativeUrl	The URL of the folder that contains the file accessed by the user. The combination of the values for the SiteURL, the SourceRelativeURL, and the SourceFileName property is the same as the value for the ObjectID property, which is the full path name for the file accessed by the user.	SharePoint
Subject	The subject line of the message that was accessed.	Exchange (mailbox activity)
TabType	The type of tab added, removed, or updated in a team. The possible values for this property are: Excel pin - An Excel tab. Extension - All first-party and third-party apps; such as Class Schedule, VSTS, and Forms. Notes - OneNote tab. Pdfpin - A PDF tab. Powerbi - A Power BI tab. Powerpointpin - A PowerPoint tab. Sharepointfiles - A SharePoint tab. Webpage - A pinned website tab. Wiki-tab - A wiki tab. Wordpin - A Word tab.	Microsoft Teams
Target	The user that the action (identified in the Operation property) was performed on. For example, if a guest is added to SharePoint or a Microsoft Team, that user would be listed in this property.	Azure Active Directory
TeamGuid	The ID of a team in Microsoft Teams.	Microsoft Teams
TeamName	The name of a team in Microsoft Teams.	Microsoft Teams
UserAgent	Information about the user's browser. This information is provided by the browser.	SharePoint
UserDomain	Identity information about the tenant organization of the user (actor) who performed the action.	Azure Active Directory
UserId	The user who performed the action (specified in the Operation property) that resulted in the record being logged. Audit records for activity performed by system accounts (such as SHAREPOINT\system or NT AUTHORITY\SYSTEM) are also included in the audit log. Another common value for the UserId property is app@sharepoint. This indicates that the "user" who performed the activity was an application that has the necessary permissions in SharePoint to perform organization-wide actions (such as search a SharePoint site or OneDrive account) on behalf of a user, admin, or service. For more information, see: The app@sharepoint user in audit records or System accounts in Exchange mailbox audit records.	All
UserKey	Contains a valid Azure Active Directory Object ID in GUID format or hex format. For scenarios where the primary actor isn't a user, the UserKey is an empty string. See UserType and UserKey scenarios for details on various UserKey scenarios.	All
UserType	The type of user that performed the operation. See the UserType and UserKey scenarios for details on various UserType scenarios.	All
Version	Indicates the version number of the activity (identified by the Operation property) that's logged.	All
Workload	The Microsoft 365 service where the activity occurred.	All