diff --git a/src/lib/addons/__snapshots__/feature-event-formatter-md.test.ts.snap b/src/lib/addons/__snapshots__/feature-event-formatter-md.test.ts.snap
index 8ce76de746..88fd96d3c7 100644
--- a/src/lib/addons/__snapshots__/feature-event-formatter-md.test.ts.snap
+++ b/src/lib/addons/__snapshots__/feature-event-formatter-md.test.ts.snap
@@ -184,6 +184,14 @@ exports[`Should format specialised text for events when no specific text for str
 }
 `;
 
+exports[`Should format specialised text for events when project archived 1`] = `
+{
+  "label": "Project archived",
+  "text": "*user@company.com* archived project *my-other-project*",
+  "url": "unleashUrl/projects-archive",
+}
+`;
+
 exports[`Should format specialised text for events when rollout percentage changed 1`] = `
 {
   "label": "Flag strategy updated",
diff --git a/src/lib/addons/feature-event-formatter-md-events.ts b/src/lib/addons/feature-event-formatter-md-events.ts
index fc1633e92e..f3f64fbc2f 100644
--- a/src/lib/addons/feature-event-formatter-md-events.ts
+++ b/src/lib/addons/feature-event-formatter-md-events.ts
@@ -57,6 +57,7 @@ import {
     CHANGE_REQUEST_SCHEDULED_APPLICATION_FAILURE,
     CHANGE_REQUEST_SCHEDULE_SUSPENDED,
     FEATURE_COMPLETED,
+    PROJECT_ARCHIVED,
 } from '../types';
 
 interface IEventData {
@@ -306,6 +307,11 @@ export const EVENT_MAP: Record<string, IEventData> = {
         action: '{{b}}{{user}}{{b}} created project {{b}}{{project}}{{b}}',
         path: '/projects',
     },
+    [PROJECT_ARCHIVED]: {
+        label: 'Project archived',
+        action: '{{b}}{{user}}{{b}} archived project {{b}}{{event.project}}{{b}}',
+        path: '/projects-archive',
+    },
     [PROJECT_DELETED]: {
         label: 'Project deleted',
         action: '{{b}}{{user}}{{b}} deleted project {{b}}{{event.project}}{{b}}',
diff --git a/src/lib/addons/feature-event-formatter-md.test.ts b/src/lib/addons/feature-event-formatter-md.test.ts
index 7437045517..bd8ee3a389 100644
--- a/src/lib/addons/feature-event-formatter-md.test.ts
+++ b/src/lib/addons/feature-event-formatter-md.test.ts
@@ -7,6 +7,7 @@ import {
     FEATURE_STRATEGY_REMOVE,
     FEATURE_STRATEGY_UPDATE,
     type IEvent,
+    PROJECT_ARCHIVED,
     SYSTEM_USER_ID,
 } from '../types';
 
@@ -571,6 +572,22 @@ const testCases: [string, IEvent][] = [
             environment: 'production',
         },
     ],
+    [
+        'when project archived',
+        {
+            id: 922,
+            type: PROJECT_ARCHIVED,
+            createdBy: 'user@company.com',
+            createdByUserId: SYSTEM_USER_ID,
+            createdAt: new Date('2024-11-25T10:33:59.459Z'),
+            data: null,
+            preData: null,
+            tags: [],
+            featureName: undefined,
+            project: 'my-other-project',
+            environment: 'production',
+        },
+    ],
 ];
 
 testCases.forEach(([description, event]) =>
diff --git a/src/lib/addons/slack-app-definition.ts b/src/lib/addons/slack-app-definition.ts
index cd16caaa97..2cc22c9c1c 100644
--- a/src/lib/addons/slack-app-definition.ts
+++ b/src/lib/addons/slack-app-definition.ts
@@ -56,6 +56,7 @@ import {
     CHANGE_REQUEST_SCHEDULED,
     CHANGE_REQUEST_SCHEDULED_APPLICATION_SUCCESS,
     CHANGE_REQUEST_SCHEDULED_APPLICATION_FAILURE,
+    PROJECT_ARCHIVED,
 } from '../types/events';
 import type { IAddonDefinition } from '../types/model';
 
@@ -139,6 +140,7 @@ const slackAppDefinition: IAddonDefinition = {
         BANNER_UPDATED,
         BANNER_DELETED,
         PROJECT_CREATED,
+        PROJECT_ARCHIVED,
         PROJECT_DELETED,
         SEGMENT_CREATED,
         SEGMENT_DELETED,
diff --git a/website/docs/reference/integrations/slack-app.mdx b/website/docs/reference/integrations/slack-app.mdx
index 532f181505..0df3c09bcb 100644
--- a/website/docs/reference/integrations/slack-app.mdx
+++ b/website/docs/reference/integrations/slack-app.mdx
@@ -72,6 +72,7 @@ You can choose to trigger updates for the following events:
 - group-deleted
 - group-updated
 - project-created
+- project-archived
 - project-deleted
 - segment-created
 - segment-deleted