diff --git a/app/src/electron.js b/app/src/electron.js
index f16a21b0f..b72f2e1ed 100644
--- a/app/src/electron.js
+++ b/app/src/electron.js
@@ -229,6 +229,9 @@ ipcMain.on('window-action', async (event, arg) => {
     case 'paste':
       mainWindow.webContents.paste();
       break;
+    case 'selectAll':
+      mainWindow.webContents.selectAll();
+      break;
   }
 });
 
diff --git a/app/src/mainMenuDefinition.js b/app/src/mainMenuDefinition.js
index 7efa484ec..16f0b63d1 100644
--- a/app/src/mainMenuDefinition.js
+++ b/app/src/mainMenuDefinition.js
@@ -48,6 +48,7 @@ module.exports = ({ editMenu }) => [
           { command: 'edit.cut' },
           { command: 'edit.copy' },
           { command: 'edit.paste' },
+          { command: 'edit.selectAll' },
         ],
       }
     : null,
diff --git a/packages/web/src/commands/stdCommands.ts b/packages/web/src/commands/stdCommands.ts
index 58bafc62f..f98ffc43b 100644
--- a/packages/web/src/commands/stdCommands.ts
+++ b/packages/web/src/commands/stdCommands.ts
@@ -835,6 +835,16 @@ registerCommand({
   onClick: () => getElectron().send('window-action', 'paste'),
 });
 
+registerCommand({
+  id: 'edit.selectAll',
+  category: 'Edit',
+  name: 'Select All',
+  keyText: 'CtrlOrCommand+A',
+  systemCommand: true,
+  testEnabled: () => getElectron() != null,
+  onClick: () => getElectron().send('window-action', 'selectAll'),
+});
+
 const electron = getElectron();
 if (electron) {
   electron.addEventListener('run-command', (e, commandId) => runCommand(commandId));