Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead.

You can now restore lost or accidentally deleted favorites in Microsoft Edge with our new favorites recovery feature. You'll need to be signed in to your Microsoft account and have the sync setting turned on to use the favorites recovery feature.. To restore a lost or deleted favorite in Microsoft Edge:

Windows 11, version 21H2; September 10, 2024—KB5043067 (OS Build 22000.3197) August 13, 2024—KB5041592 (OS Build 22000.3147) July 9, 2024—KB5040431 (OS Build 22000.3079)

如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。

Argument name. Description. lookup_value (required). The value you want to look up. The value you want to look up must be in the first column of the range of cells you specify in the table_array argument. For example, if table-array spans cells B2:D7, then your lookup_value must be in column B.. Lookup_value can be a value or a reference to a cell.. table_array (required)

Notes: If you know your password, but just want to change it, go to account.microsoft.com Security tab, and select Change my password. If you know your username and password but they have stopped working, read My username and password have stopped working.

Manage your Xbox subscription Game Pass Ultimate or a supported free to play game is required for cloud gaming. See what else you can do to get the most out of your subscription.

If you reference a Checkbox cell with a formula, TRUE or FALSE will be passed along to that formula. For example, if you have a Checkbox in cell A1, you can use a formula like =IF(A1, "Checked", "Unchecked") to display a custom message based on the Checkbox's state.

If you're using the Outlook app (Version 2303 Build 16227.20318) installed as part of your Microsoft 365 subscription, or the Mail and Calendar apps included with your Windows 10 or 11 device, you may see the toggle Try the new Outlook in the upper right-hand corner of the app.. Turn on the toggle and set up your account

If you think someone might have unauthorized access to your account, we can protect you by signing you out from all of your trusted devices. Within 24 hours, you will be signed out of browsers, apps and anywhere else your account is used to sign in, except an Xbox console.