To install Authenticator on your iOS device. Scan the QR code. or download and install Authenticator from the Apple app store. Get the app

Add your Outlook.com, Microsoft 365, or Exchange-based email account to your iPhone, iPad, or iPod Touch using the iOS Mail app.

Select Add a new way to sign in or verify then choose how you would like to receive security codes.

As a way to sign in every time, by using a one-time password code to increase account security. This is called two-step verification or multi-factor authentication.

If you try to add an IMAP account to Outlook, for example a Gmail account, Apple account, Yahoo account, or an account from your local ISP, and you're not prompted to enter your password, use the following steps to work around the problem.

Follow the procedure in the Set up access to your company resources article to enroll your iOS phone or tablet. Important: Once you begin the enrollment process, you should complete the process in its entirety since pausing for more than a few minutes usually stops your progress and requires you to start over.If this process should fail, you need to return to the Company Portal app to try again.

There are two ways to get Office on your iPhone: Tap the button below to install the new Office app for iOS that combines Word, Excel, and PowerPoint into a single app, which introduces new mobile-centric features to view, edit, and share files without the need to switch between multiple apps.

The Office app is running in the background. If the file is not shared on a network or if you are certain that no one is currently editing it, then an instance of the Office app with the file open might be running in the background.

要使用应用中的额外功能，你必须使用与你的合格 Microsoft 365 订阅关联的 Microsoft 帐户 或 工作或学校帐户 登录。 如果你有 iPad Pro，你还必须具有合格的计划才能在该特殊设备上执行任何类型的编辑。 请参阅 在具有 Microsoft 365 计划的 iOS 或 Android 设备上的 Office 应用中可以执行的操作。

注意: Microsoft Authenticator 不适用于电脑或 Mac，因为出于安全原因，验证器应用通常用于智能手机。 了解详细信息。 Microsoft不再支持超过一年的 Authenticator 版本。