diff --git a/plugins/chunter-assets/lang/en.json b/plugins/chunter-assets/lang/en.json
index e310995df9..ef1ec2d831 100644
--- a/plugins/chunter-assets/lang/en.json
+++ b/plugins/chunter-assets/lang/en.json
@@ -95,6 +95,9 @@
     "NewDirectChat": "New direct chat",
     "AddMembers": "Add members",
     "PinnedCount": "{count} pinned",
-    "LoadingHistory": "Loading history..."
+    "LoadingHistory": "Loading history...",
+    "UnpinChannels": "Unpin all channels",
+    "ArchiveActivityConfirmationTitle": "Archive all activity channels?",
+    "ArchiveActivityConfirmationMessage": "Are you sure you want to archive all activity channels? This operation cannot be undone."
   }
 }
\ No newline at end of file
diff --git a/plugins/chunter-assets/lang/ru.json b/plugins/chunter-assets/lang/ru.json
index b0d39c3a89..f6beee9f60 100644
--- a/plugins/chunter-assets/lang/ru.json
+++ b/plugins/chunter-assets/lang/ru.json
@@ -95,6 +95,9 @@
     "NewDirectChat": "Новый личный чат",
     "AddMembers": "Добавить участников",
     "PinnedCount": "{count} закреплено",
-    "LoadingHistory": "Загрузка истории..."
+    "LoadingHistory": "Загрузка истории...",
+    "UnpinChannels": "Открепить все каналы",
+    "ArchiveActivityConfirmationTitle": "Архивировать все каналы активности?",
+    "ArchiveActivityConfirmationMessage": "Вы уверены, что хотите заархивировать все каналы активности? Эту операцию невозможно отменить."
   }
 }
\ No newline at end of file
diff --git a/plugins/chunter-resources/src/components/chat/navigator/ChatNavGroup.svelte b/plugins/chunter-resources/src/components/chat/navigator/ChatNavGroup.svelte
index d2f9994afd..60c66fb395 100644
--- a/plugins/chunter-resources/src/components/chat/navigator/ChatNavGroup.svelte
+++ b/plugins/chunter-resources/src/components/chat/navigator/ChatNavGroup.svelte
@@ -15,8 +15,8 @@
 <script lang="ts">
   import { Class, Doc, getCurrentAccount, groupByArray, Ref } from '@hcengineering/core'
   import notification, { DocNotifyContext } from '@hcengineering/notification'
-  import { createQuery, getClient, LiveQuery } from '@hcengineering/presentation'
-  import { Action, Scroller } from '@hcengineering/ui'
+  import { createQuery, getClient, LiveQuery, MessageBox } from '@hcengineering/presentation'
+  import { Action, Scroller, showPopup } from '@hcengineering/ui'
   import activity from '@hcengineering/activity'
   import view from '@hcengineering/view'
   import { getResource } from '@hcengineering/platform'
@@ -25,6 +25,7 @@
   import ChatGroupHeader from './ChatGroupHeader.svelte'
   import chunter from '../../../plugin'
   import { ChatNavGroupModel } from '../types'
+  import { readActivityChannels, removeActivityChannels } from '../utils'
 
   export let selectedContextId: Ref<DocNotifyContext> | undefined = undefined
   export let model: ChatNavGroupModel
@@ -88,11 +89,47 @@
     }
   }
 
-  function getPinnedActions (): Action[] {
+  function archiveActivityChannels (contexts: DocNotifyContext[]): void {
+    showPopup(
+      MessageBox,
+      {
+        label: chunter.string.ArchiveActivityConfirmationTitle,
+        message: chunter.string.ArchiveActivityConfirmationMessage
+      },
+      'top',
+      (result?: boolean) => {
+        if (result === true) {
+          void removeActivityChannels(contexts)
+        }
+      }
+    )
+  }
+
+  function getActions (contexts: DocNotifyContext[]): Action[] {
+    if (model.id !== 'activity') return []
+
     return [
+      {
+        icon: notification.icon.ReadAll,
+        label: notification.string.MarkReadAll,
+        action: () => readActivityChannels(contexts)
+      },
+      {
+        icon: view.icon.Archive,
+        label: notification.string.ArchiveAll,
+        action: async () => {
+          archiveActivityChannels(contexts)
+        }
+      }
+    ]
+  }
+
+  function getPinnedActions (pinnedContexts: DocNotifyContext[]): Action[] {
+    const baseActions = getActions(pinnedContexts)
+    const actions: Action[] = [
       {
         icon: view.icon.Delete,
-        label: view.string.Delete,
+        label: chunter.string.UnpinChannels,
         action: chunter.actionImpl.UnpinAllChannels
       }
     ].map(({ icon, label, action }) => ({
@@ -103,6 +140,8 @@
         await actionFn(pinnedContexts, evt)
       }
     }))
+
+    return actions.concat(baseActions)
   }
 
   function sortContexts (contexts: DocNotifyContext[]): DocNotifyContext[] {
@@ -133,7 +172,7 @@
 <Scroller padding="0 0.5rem">
   {#if pinnedContexts.length}
     <div class="block">
-      <ChatGroupHeader header={chunter.string.Pinned} actions={getPinnedActions()} />
+      <ChatGroupHeader header={chunter.string.Pinned} actions={getPinnedActions(pinnedContexts)} />
       {#each pinnedContexts as context (context._id)}
         {@const _class = context.attachedToClass}
         {@const object = objectsByClass.get(_class)?.find(({ _id }) => _id === context.attachedTo)}
@@ -148,7 +187,7 @@
 
   {#if contexts.length}
     <div class="block">
-      <ChatGroupHeader header={model.label} />
+      <ChatGroupHeader header={model.label} actions={getActions(contexts)} />
       {#each contexts as context (context._id)}
         {@const _class = context.attachedToClass}
         {@const object = objectsByClass.get(_class)?.find(({ _id }) => _id === context.attachedTo)}
diff --git a/plugins/chunter-resources/src/components/chat/navigator/ChatNavGroupItem.svelte b/plugins/chunter-resources/src/components/chat/navigator/ChatNavGroupItem.svelte
index e979e93818..579be7bdcd 100644
--- a/plugins/chunter-resources/src/components/chat/navigator/ChatNavGroupItem.svelte
+++ b/plugins/chunter-resources/src/components/chat/navigator/ChatNavGroupItem.svelte
@@ -56,7 +56,9 @@
     })
 
   notificationClient.inboxNotificationsByContext.subscribe((res) => {
-    notifications = res.get(context._id) ?? []
+    notifications = (res.get(context._id) ?? []).filter(
+      ({ _class }) => _class === notification.class.ActivityInboxNotification
+    )
   })
 
   $: isDirect = hierarchy.isDerived(context.attachedToClass, chunter.class.DirectMessage)
diff --git a/plugins/chunter-resources/src/components/chat/utils.ts b/plugins/chunter-resources/src/components/chat/utils.ts
index 5c66b388c5..0ad02d9132 100644
--- a/plugins/chunter-resources/src/components/chat/utils.ts
+++ b/plugins/chunter-resources/src/components/chat/utils.ts
@@ -12,14 +12,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-import notification from '@hcengineering/notification'
-import { SortingOrder, type WithLookup } from '@hcengineering/core'
+import notification, { type DocNotifyContext } from '@hcengineering/notification'
+import { generateId, SortingOrder, type WithLookup } from '@hcengineering/core'
 import { createQuery, getClient } from '@hcengineering/presentation'
-import { writable } from 'svelte/store'
+import { get, writable } from 'svelte/store'
 import view from '@hcengineering/view'
 import workbench, { type SpecialNavModel } from '@hcengineering/workbench'
 import attachment, { type SavedAttachments } from '@hcengineering/attachment'
 import activity from '@hcengineering/activity'
+import { InboxNotificationsClientImpl } from '@hcengineering/notification-resources'
 
 import { type ChatNavGroupModel } from './types'
 import chunter from '../../plugin'
@@ -121,3 +122,47 @@ export function loadSavedAttachments (): void {
     }, 50)
   }
 }
+
+export async function removeActivityChannels (contexts: DocNotifyContext[]): Promise<void> {
+  const client = InboxNotificationsClientImpl.getClient()
+  const notificationsByContext = get(client.inboxNotificationsByContext)
+  const doneOp = await getClient().measure('removeActivityChannels')
+  const ops = getClient().apply(generateId())
+
+  try {
+    for (const context of contexts) {
+      const notifications = notificationsByContext.get(context._id) ?? []
+      await client.deleteNotifications(
+        ops,
+        notifications.map(({ _id }) => _id)
+      )
+      await ops.remove(context)
+    }
+  } finally {
+    await ops.commit()
+    await doneOp()
+  }
+}
+
+export async function readActivityChannels (contexts: DocNotifyContext[]): Promise<void> {
+  const client = InboxNotificationsClientImpl.getClient()
+  const notificationsByContext = get(client.inboxNotificationsByContext)
+  const doneOp = await getClient().measure('readActivityChannels')
+  const ops = getClient().apply(generateId())
+
+  try {
+    for (const context of contexts) {
+      const notifications = notificationsByContext.get(context._id) ?? []
+      await client.deleteNotifications(
+        ops,
+        notifications
+          .filter(({ _class }) => _class === notification.class.ActivityInboxNotification)
+          .map(({ _id }) => _id)
+      )
+      await ops.update(context, { lastViewedTimestamp: Date.now() })
+    }
+  } finally {
+    await ops.commit()
+    await doneOp()
+  }
+}
diff --git a/plugins/chunter-resources/src/plugin.ts b/plugins/chunter-resources/src/plugin.ts
index 4803f8edf2..90f0856ff4 100644
--- a/plugins/chunter-resources/src/plugin.ts
+++ b/plugins/chunter-resources/src/plugin.ts
@@ -105,6 +105,9 @@ export default mergeIds(chunterId, chunter, {
     Mentioned: '' as IntlString,
     SentMessage: '' as IntlString,
     PinnedCount: '' as IntlString,
-    LoadingHistory: '' as IntlString
+    LoadingHistory: '' as IntlString,
+    UnpinChannels: '' as IntlString,
+    ArchiveActivityConfirmationTitle: '' as IntlString,
+    ArchiveActivityConfirmationMessage: '' as IntlString
   }
 })