diff --git a/ts/components/LeftPane.stories.tsx b/ts/components/LeftPane.stories.tsx
index 62dd90c2ec..42d11ba7c1 100644
--- a/ts/components/LeftPane.stories.tsx
+++ b/ts/components/LeftPane.stories.tsx
@@ -424,8 +424,8 @@ story.add('Search: all results', () => (
         messageResults: {
           isLoading: false,
           results: [
-            { id: 'msg1', conversationId: 'foo' },
-            { id: 'msg2', conversationId: 'bar' },
+            { id: 'msg1', type: 'outgoing', conversationId: 'foo' },
+            { id: 'msg2', type: 'incoming', conversationId: 'bar' },
           ],
         },
         primarySendsSms: false,
diff --git a/ts/components/LeftPane.tsx b/ts/components/LeftPane.tsx
index 5e4d41bce7..2f1a6f58cf 100644
--- a/ts/components/LeftPane.tsx
+++ b/ts/components/LeftPane.tsx
@@ -39,6 +39,7 @@ import {
   getWidthFromPreferredWidth,
 } from '../util/leftPaneWidth';
 import type { LookupConversationWithoutUuidActionsType } from '../util/lookupConversationWithoutUuid';
+import type { OpenConversationInternalType } from '../state/ducks/conversations';
 
 import { ConversationList } from './ConversationList';
 import { ContactCheckboxDisabledReason } from './conversationList/ContactCheckbox';
@@ -99,11 +100,7 @@ export type PropsType = {
   closeMaximumGroupSizeModal: () => void;
   closeRecommendedGroupSizeModal: () => void;
   createGroup: () => void;
-  openConversationInternal: (_: {
-    conversationId: string;
-    messageId?: string;
-    switchToAssociatedView?: boolean;
-  }) => void;
+  openConversationInternal: OpenConversationInternalType;
   savePreferredLeftPaneWidth: (_: number) => void;
   searchInConversation: (conversationId: string) => unknown;
   setComposeSearchTerm: (composeSearchTerm: string) => void;
@@ -332,7 +329,8 @@ export const LeftPane: React.FC<PropsType> = ({
           };
 
       const numericIndex = keyboardKeyToNumericIndex(event.key);
-      if (commandOrCtrl && isNumber(numericIndex)) {
+      const openedByNumber = commandOrCtrl && isNumber(numericIndex);
+      if (openedByNumber) {
         conversationToOpen =
           helper.getConversationAndMessageAtIndex(numericIndex);
       } else {
@@ -366,6 +364,9 @@ export const LeftPane: React.FC<PropsType> = ({
       if (conversationToOpen) {
         const { conversationId, messageId } = conversationToOpen;
         openConversationInternal({ conversationId, messageId });
+        if (openedByNumber) {
+          clearSearch();
+        }
         event.preventDefault();
         event.stopPropagation();
       }
@@ -391,6 +392,7 @@ export const LeftPane: React.FC<PropsType> = ({
     showInbox,
     startComposing,
     startSearch,
+    clearSearch,
   ]);
 
   const requiresFullWidth = helper.requiresFullWidth();
@@ -558,6 +560,7 @@ export const LeftPane: React.FC<PropsType> = ({
           setComposeSearchTerm(event.target.value);
         },
         updateSearchTerm,
+        openConversationInternal,
       })}
       <div className="module-left-pane__dialogs">
         {renderExpiredBuildDialog({
diff --git a/ts/components/LeftPaneSearchInput.tsx b/ts/components/LeftPaneSearchInput.tsx
index 3762adf2fd..77bee1e665 100644
--- a/ts/components/LeftPaneSearchInput.tsx
+++ b/ts/components/LeftPaneSearchInput.tsx
@@ -2,7 +2,10 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import React, { useEffect, useRef } from 'react';
-import type { ConversationType } from '../state/ducks/conversations';
+import type {
+  ConversationType,
+  OpenConversationInternalType,
+} from '../state/ducks/conversations';
 import type { LocalizerType } from '../types/Util';
 import { Avatar, AvatarSize } from './Avatar';
 import { SearchInput } from './SearchInput';
@@ -17,6 +20,11 @@ type PropsType = {
   searchTerm: string;
   startSearchCounter: number;
   updateSearchTerm: (searchTerm: string) => void;
+  openConversationInternal: OpenConversationInternalType;
+  onEnterKeyDown?: (
+    clearSearch: () => void,
+    openConversationInternal: OpenConversationInternalType
+  ) => void;
 };
 
 export const LeftPaneSearchInput = ({
@@ -28,6 +36,8 @@ export const LeftPaneSearchInput = ({
   searchTerm,
   startSearchCounter,
   updateSearchTerm,
+  openConversationInternal,
+  onEnterKeyDown,
 }: PropsType): JSX.Element => {
   const inputRef = useRef<null | HTMLInputElement>(null);
 
@@ -91,6 +101,13 @@ export const LeftPaneSearchInput = ({
           clearSearch();
         }
       }}
+      onKeyDown={event => {
+        if (onEnterKeyDown && event.key === 'Enter') {
+          onEnterKeyDown(clearSearch, openConversationInternal);
+          event.preventDefault();
+          event.stopPropagation();
+        }
+      }}
       onChange={event => {
         changeValue(event.currentTarget.value);
       }}
diff --git a/ts/components/leftPane/LeftPaneArchiveHelper.tsx b/ts/components/leftPane/LeftPaneArchiveHelper.tsx
index 971a279de0..27977c42db 100644
--- a/ts/components/leftPane/LeftPaneArchiveHelper.tsx
+++ b/ts/components/leftPane/LeftPaneArchiveHelper.tsx
@@ -12,7 +12,10 @@ import type { Row } from '../ConversationList';
 import { RowType } from '../ConversationList';
 import type { PropsData as ConversationListItemPropsType } from '../conversationList/ConversationListItem';
 import type { LocalizerType } from '../../types/Util';
-import type { ConversationType } from '../../state/ducks/conversations';
+import type {
+  ConversationType,
+  OpenConversationInternalType,
+} from '../../state/ducks/conversations';
 import { LeftPaneSearchInput } from '../LeftPaneSearchInput';
 import type { LeftPaneSearchPropsType } from './LeftPaneSearchHelper';
 import { LeftPaneSearchHelper } from './LeftPaneSearchHelper';
@@ -81,11 +84,13 @@ export class LeftPaneArchiveHelper extends LeftPaneHelper<LeftPaneArchivePropsTy
     clearSearch,
     i18n,
     updateSearchTerm,
+    openConversationInternal,
   }: Readonly<{
     clearConversationSearch: () => unknown;
     clearSearch: () => unknown;
     i18n: LocalizerType;
     updateSearchTerm: (searchTerm: string) => unknown;
+    openConversationInternal: OpenConversationInternalType;
   }>): ReactChild | null {
     if (!this.searchConversation) {
       return null;
@@ -100,6 +105,7 @@ export class LeftPaneArchiveHelper extends LeftPaneHelper<LeftPaneArchivePropsTy
         searchTerm={this.searchTerm}
         startSearchCounter={this.startSearchCounter}
         updateSearchTerm={updateSearchTerm}
+        openConversationInternal={openConversationInternal}
       />
     );
   }
diff --git a/ts/components/leftPane/LeftPaneHelper.tsx b/ts/components/leftPane/LeftPaneHelper.tsx
index 4284f0fcc5..0dd4cc09bf 100644
--- a/ts/components/leftPane/LeftPaneHelper.tsx
+++ b/ts/components/leftPane/LeftPaneHelper.tsx
@@ -10,6 +10,7 @@ import type {
   ReplaceAvatarActionType,
   SaveAvatarToDiskActionType,
 } from '../../types/Avatar';
+import type { OpenConversationInternalType } from '../../state/ducks/conversations';
 
 export enum FindDirection {
   Up,
@@ -42,6 +43,7 @@ export abstract class LeftPaneHelper<T> {
         event: ChangeEvent<HTMLInputElement>
       ) => unknown;
       updateSearchTerm: (searchTerm: string) => unknown;
+      openConversationInternal: OpenConversationInternalType;
     }>
   ): null | ReactChild {
     return null;
diff --git a/ts/components/leftPane/LeftPaneInboxHelper.tsx b/ts/components/leftPane/LeftPaneInboxHelper.tsx
index 0784cd1e25..d296ff3e7e 100644
--- a/ts/components/leftPane/LeftPaneInboxHelper.tsx
+++ b/ts/components/leftPane/LeftPaneInboxHelper.tsx
@@ -7,7 +7,10 @@ import React from 'react';
 
 import { Intl } from '../Intl';
 import type { ToFindType } from './LeftPaneHelper';
-import type { ConversationType } from '../../state/ducks/conversations';
+import type {
+  ConversationType,
+  OpenConversationInternalType,
+} from '../../state/ducks/conversations';
 import { LeftPaneHelper } from './LeftPaneHelper';
 import { getConversationInDirection } from './getConversationInDirection';
 import type { Row } from '../ConversationList';
@@ -83,11 +86,13 @@ export class LeftPaneInboxHelper extends LeftPaneHelper<LeftPaneInboxPropsType>
     clearSearch,
     i18n,
     updateSearchTerm,
+    openConversationInternal,
   }: Readonly<{
     clearConversationSearch: () => unknown;
     clearSearch: () => unknown;
     i18n: LocalizerType;
     updateSearchTerm: (searchTerm: string) => unknown;
+    openConversationInternal: OpenConversationInternalType;
   }>): ReactChild {
     return (
       <LeftPaneSearchInput
@@ -99,6 +104,7 @@ export class LeftPaneInboxHelper extends LeftPaneHelper<LeftPaneInboxPropsType>
         searchTerm={this.searchTerm}
         startSearchCounter={this.startSearchCounter}
         updateSearchTerm={updateSearchTerm}
+        openConversationInternal={openConversationInternal}
       />
     );
   }
diff --git a/ts/components/leftPane/LeftPaneSearchHelper.tsx b/ts/components/leftPane/LeftPaneSearchHelper.tsx
index 9141c990b2..fe3f0cf485 100644
--- a/ts/components/leftPane/LeftPaneSearchHelper.tsx
+++ b/ts/components/leftPane/LeftPaneSearchHelper.tsx
@@ -11,7 +11,10 @@ import type { Row } from '../ConversationList';
 import { RowType } from '../ConversationList';
 import type { PropsData as ConversationListItemPropsType } from '../conversationList/ConversationListItem';
 import { handleKeydownForSearch } from './handleKeydownForSearch';
-import type { ConversationType } from '../../state/ducks/conversations';
+import type {
+  ConversationType,
+  OpenConversationInternalType,
+} from '../../state/ducks/conversations';
 import { LeftPaneSearchInput } from '../LeftPaneSearchInput';
 
 import { Intl } from '../Intl';
@@ -35,6 +38,7 @@ export type LeftPaneSearchPropsType = {
   messageResults: MaybeLoadedSearchResultsType<{
     id: string;
     conversationId: string;
+    type: string;
   }>;
   searchConversationName?: string;
   primarySendsSms: boolean;
@@ -58,6 +62,7 @@ export class LeftPaneSearchHelper extends LeftPaneHelper<LeftPaneSearchPropsType
   private readonly messageResults: MaybeLoadedSearchResultsType<{
     id: string;
     conversationId: string;
+    type: string;
   }>;
 
   private readonly searchConversationName?: string;
@@ -94,6 +99,7 @@ export class LeftPaneSearchHelper extends LeftPaneHelper<LeftPaneSearchPropsType
     this.searchDisabled = searchDisabled;
     this.searchTerm = searchTerm;
     this.startSearchCounter = startSearchCounter;
+    this.onEnterKeyDown = this.onEnterKeyDown.bind(this);
   }
 
   override getSearchInput({
@@ -101,11 +107,13 @@ export class LeftPaneSearchHelper extends LeftPaneHelper<LeftPaneSearchPropsType
     clearSearch,
     i18n,
     updateSearchTerm,
+    openConversationInternal,
   }: Readonly<{
     clearConversationSearch: () => unknown;
     clearSearch: () => unknown;
     i18n: LocalizerType;
     updateSearchTerm: (searchTerm: string) => unknown;
+    openConversationInternal: OpenConversationInternalType;
   }>): ReactChild {
     return (
       <LeftPaneSearchInput
@@ -117,6 +125,8 @@ export class LeftPaneSearchHelper extends LeftPaneHelper<LeftPaneSearchPropsType
         searchTerm={this.searchTerm}
         startSearchCounter={this.startSearchCounter}
         updateSearchTerm={updateSearchTerm}
+        openConversationInternal={openConversationInternal}
+        onEnterKeyDown={this.onEnterKeyDown}
       />
     );
   }
@@ -298,10 +308,28 @@ export class LeftPaneSearchHelper extends LeftPaneHelper<LeftPaneSearchPropsType
     );
   }
 
-  // This is currently unimplemented. See DESKTOP-1170.
   getConversationAndMessageAtIndex(
-    _conversationIndex: number
+    conversationIndex: number
   ): undefined | { conversationId: string; messageId?: string } {
+    if (conversationIndex < 0) {
+      return undefined;
+    }
+    let pointer = conversationIndex;
+    for (const list of this.allResults()) {
+      if (list.isLoading) {
+        continue;
+      }
+      if (pointer < list.results.length) {
+        const result = list.results[pointer];
+        return result.type === 'incoming' || result.type === 'outgoing' // message
+          ? {
+              conversationId: result.conversationId,
+              messageId: result.id,
+            }
+          : { conversationId: result.id };
+      }
+      pointer -= list.results.length;
+    }
     return undefined;
   }
 
@@ -332,6 +360,18 @@ export class LeftPaneSearchHelper extends LeftPaneHelper<LeftPaneSearchPropsType
   private isLoading(): boolean {
     return this.allResults().some(results => results.isLoading);
   }
+
+  private onEnterKeyDown(
+    clearSearch: () => unknown,
+    openConversationInternal: OpenConversationInternalType
+  ): void {
+    const conversation = this.getConversationAndMessageAtIndex(0);
+    if (!conversation) {
+      return;
+    }
+    openConversationInternal(conversation);
+    clearSearch();
+  }
 }
 
 function getRowCountForLoadedSearchResults(
diff --git a/ts/state/ducks/conversations.ts b/ts/state/ducks/conversations.ts
index d48d89cacf..be4d8043ad 100644
--- a/ts/state/ducks/conversations.ts
+++ b/ts/state/ducks/conversations.ts
@@ -347,6 +347,12 @@ export type ConversationsStateType = {
   messagesByConversation: MessagesByConversationType;
 };
 
+export type OpenConversationInternalType = (_: {
+  conversationId: string;
+  messageId?: string;
+  switchToAssociatedView?: boolean;
+}) => void;
+
 // Helpers
 
 export const getConversationCallMode = (
diff --git a/ts/test-node/components/leftPane/LeftPaneSearchHelper_test.ts b/ts/test-node/components/leftPane/LeftPaneSearchHelper_test.ts
index 3cf81a8ce7..b1ed5fe9f7 100644
--- a/ts/test-node/components/leftPane/LeftPaneSearchHelper_test.ts
+++ b/ts/test-node/components/leftPane/LeftPaneSearchHelper_test.ts
@@ -12,6 +12,7 @@ import { LeftPaneSearchHelper } from '../../../components/leftPane/LeftPaneSearc
 describe('LeftPaneSearchHelper', () => {
   const fakeMessage = () => ({
     id: uuid(),
+    type: 'outgoing',
     conversationId: uuid(),
   });
 
@@ -547,4 +548,127 @@ describe('LeftPaneSearchHelper', () => {
       );
     });
   });
+
+  describe('getConversationAndMessageAtIndex', () => {
+    it('returns correct conversation at given index', () => {
+      const expected = getDefaultConversation();
+      const helper = new LeftPaneSearchHelper({
+        conversationResults: {
+          isLoading: false,
+          results: [expected, getDefaultConversation()],
+        },
+        contactResults: { isLoading: false, results: [] },
+        messageResults: {
+          isLoading: false,
+          results: [fakeMessage(), fakeMessage(), fakeMessage()],
+        },
+        searchTerm: 'foo',
+        primarySendsSms: false,
+        searchConversation: undefined,
+        searchDisabled: false,
+        startSearchCounter: 0,
+      });
+      assert.strictEqual(
+        helper.getConversationAndMessageAtIndex(0)?.conversationId,
+        expected.id
+      );
+    });
+
+    it('returns correct contact at given index', () => {
+      const expected = getDefaultConversation();
+      const helper = new LeftPaneSearchHelper({
+        conversationResults: {
+          isLoading: false,
+          results: [getDefaultConversation(), getDefaultConversation()],
+        },
+        contactResults: {
+          isLoading: false,
+          results: [expected],
+        },
+        messageResults: {
+          isLoading: false,
+          results: [fakeMessage(), fakeMessage(), fakeMessage()],
+        },
+        searchTerm: 'foo',
+        primarySendsSms: false,
+        searchConversation: undefined,
+        searchDisabled: false,
+        startSearchCounter: 0,
+      });
+      assert.strictEqual(
+        helper.getConversationAndMessageAtIndex(2)?.conversationId,
+        expected.id
+      );
+    });
+
+    it('returns correct message at given index', () => {
+      const expected = fakeMessage();
+      const helper = new LeftPaneSearchHelper({
+        conversationResults: {
+          isLoading: false,
+          results: [getDefaultConversation(), getDefaultConversation()],
+        },
+        contactResults: { isLoading: false, results: [] },
+        messageResults: {
+          isLoading: false,
+          results: [fakeMessage(), fakeMessage(), expected],
+        },
+        searchTerm: 'foo',
+        primarySendsSms: false,
+        searchConversation: undefined,
+        searchDisabled: false,
+        startSearchCounter: 0,
+      });
+      assert.strictEqual(
+        helper.getConversationAndMessageAtIndex(4)?.messageId,
+        expected.id
+      );
+    });
+
+    it('returns correct message at given index skipping not loaded results', () => {
+      const expected = fakeMessage();
+      const helper = new LeftPaneSearchHelper({
+        conversationResults: { isLoading: true },
+        contactResults: { isLoading: true },
+        messageResults: {
+          isLoading: false,
+          results: [fakeMessage(), expected, fakeMessage()],
+        },
+        searchTerm: 'foo',
+        primarySendsSms: false,
+        searchConversation: undefined,
+        searchDisabled: false,
+        startSearchCounter: 0,
+      });
+      assert.strictEqual(
+        helper.getConversationAndMessageAtIndex(1)?.messageId,
+        expected.id
+      );
+    });
+
+    it('returns undefined if search candidate with given index does not exist', () => {
+      const helper = new LeftPaneSearchHelper({
+        conversationResults: {
+          isLoading: false,
+          results: [getDefaultConversation(), getDefaultConversation()],
+        },
+        contactResults: { isLoading: false, results: [] },
+        messageResults: {
+          isLoading: false,
+          results: [fakeMessage(), fakeMessage(), fakeMessage()],
+        },
+        searchTerm: 'foo',
+        primarySendsSms: false,
+        searchConversation: undefined,
+        searchDisabled: false,
+        startSearchCounter: 0,
+      });
+      assert.isUndefined(
+        helper.getConversationAndMessageAtIndex(100)?.messageId
+      );
+      assert.isUndefined(
+        helper.getConversationAndMessageAtIndex(-100)?.messageId
+      );
+    });
+  });
 });