Download Microsoft Authenticator - Microsoft Support
To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store. Get the app
The Microsoft 365 app transition to the Microsoft 365 Copilot app
The Microsoft 365 (Office) app is now called the Microsoft 365 Copilot app across web (office.com, microsoft365.com), mobile (iOS, Android), and Windows. The new app name and icon reflects the integration of Copilot within the Microsoft 365 app.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Microsoft Office
Sign in to Microsoft 365
Sign in to Microsoft 365 How to sign in to Microsoft 365 or Office Windows macOS iOS Android Web
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel for the web, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, Access 2024, OneNote 2024, Project Professional 2024, Project Standard 2024, Visio Professional 2024, Visio Standard 2024, Office 2024, Excel 2024 for Mac, Word 2024 for Mac, Outlook 2024 for Mac, PowerPoint 2024 for Mac, OneNote 2024 for Mac, Office 2024 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, OneNote for Mac, Microsoft 365 for home, Microsoft365.com, Office for business, Office 365 Small Business, Microsoft 365 admin, Project Online, Microsoft 365 for Mac, Microsoft Office
Troubleshoot Outlook mobile issues - Microsoft Support
For example, if you're having trouble adding an Outlook.com email account to the iOS Mail app, contact Apple Support. We recommend downloading and installing the Outlook mobile app for easy calendar and email management.
Applies To:
Microsoft365.com, Outlook for iOS, Outlook for Windows Phone 10
Retirement of Microsoft Lens - Microsoft Support
The Microsoft Lens app will be retired from iOS and Android devices starting October 25, 2025, and will no longer be supported after December 25. You can continue to scan documents in the app until January 25, 2026.
Manage your Microsoft Copilot activity history in the privacy dashboard
Microsoft Copilot is your AI companion designed to help you with a range of tasks and activities. Activity history is a record of the things you type in Copilot and the AI-assisted responses you receive from Copilot. To manage your Copilot activity history, start by signing in to the privacy dashboard with your Microsoft account. Manage activity history for the Copilot app To manage your ...
Applies To:
Microsoft365.com, Microsoft Office
Download and install apps - Microsoft Support
Learn how to download and install apps you need from your Microsoft 365 business subscription.
Copilot tutorial: Start using Copilot - Microsoft Support
Unlock faster task management with Microsoft 365 Copilot in this video guide. Linked to your Microsoft 365 account, enjoy seamless access in-app, on the web, or on the move.
Change an email signature - Microsoft Support
Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date. If you're using new Outlook, for more information about email signatures, or if you haven’t created one yet, see Add a signature to messages. Select File > Options > Mail > Signatures. Select the signature you want to edit, and then make your changes in the ...
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016
iOS 版 Microsoft 365 Copilot 應用程式 - Microsoft 支援服務
iOS 版 Microsoft 365 Copilot 應用程式使用 Microsoft Lens 來掃描及擷取影像中的資訊，可透過光學字元識別 (OCR) 轉換成文字。 OCR 的有效性取決於您使用的影像品質，以及圖片中顯示的複雜度、易讀性和文字量。
Applies To:
Microsoft365.com, Microsoft 365 Copilot app for iOS, My Office for iPhone