如果同一个Microsoft Office应用在不同设备上具有不同的功能，很可能是因为它们是不同的版本。某些第三方加载项^{(third-party add-ins)}和模板^(templates)还具有仅适用于特定Office版本的功能。这些是您可能想知道您的计算机上的Microsoft Office版本的几个原因。^{(Microsoft Office)}

Microsoft Office程序应自动更新自身，尤其是在Windows设备上。但这并不总是发生。您可能需要手动验证您的Office应用程序版本并将其与Microsoft 的 Office 更新数据库^{(Microsoft’s Office updates database)}进行比较。本教程介绍了在Mac和Windows设备上检查Office版本的步骤。您还将了解如何在这些设备上启动Office更新。

揭秘Microsoft Office 版本^{(Microsoft Office Version)}结构

在Windows^(Windows)中调查Office应用程序版本时，您会遇到一串数字（和字母）。Microsoft使用其新的五位数内部版本号格式^{(new five-digit build number format)}来标记大多数Office 365应用程序版本。Office应用的版本信息通常有一个两位数的版本号和一个减半的 10 位版本号。

“版本”定义Office^(Office)应用程序的独立版本，而“构建^(Build)”是指特定版本的变体。微软^(Microsoft)经常发布新版本来修复错误和解决性能问题，而版本更新主要引入新功能。

以这个Office应用的虚拟版本为例：Version 2204 (Build 15128.20224 Click-to-Run)。

“2204”是应用版本号，“15128.20224”是内部版本号，“ Click-to-Run ”是安装类型。

Microsoft还在^(Microsoft)Office应用版本末尾包含安装类型。“ Windows Store ”是指您从Microsoft Store安装了Office应用程序。如果您从Microsoft^(Microsoft)或第三方来源下载并安装Office产品，那就是“即点即用”安装。

在 macOS 中检查 Office 版本

检查Microsoft Office for Mac的应用程序版本非常简单。该过程对于所有Office^(Office)应用程序都是一致的，无论其版本如何。

1. 在Mac^(Mac)上打开Microsoft Office应用，然后在菜单栏上选择产品名称。
2. 选择关于 Microsoft [产品]^{(About Microsoft [Product])}继续。

如果您使用的是 OneNote，您将在应用菜单中看到^(OneNote)“关于 Microsoft OneNote ” 。

1. 您会在其名称下方找到Microsoft Office应用版本。^{(Microsoft Office)}

^{(Check Microsoft Office Version)}在Windows PC上检查 Microsoft Office 版本

您可以在Windows 设置^{(Windows Settings)}、控制面板^{(Control Panel)}或应用程序的设置菜单中检查Office应用程序版本。

在帐户设置菜单中检查 Office 版本^{(Check Office Version in Account Settings Menu)}

打开Microsoft Excel、Word文档、Powerpoint、Outlook或任何Office应用程序，然后按照以下步骤操作。

1. 选择应用程序窗口左上角的文件。^(File)

1. 选择侧边栏上的Office 帐户^{(Office Account)}。

在某些Office应用程序中，在“文件”菜单中选择“帐户”。^(Account)

如果您使用的是旧版本的Microsoft Office（Office 2010或更早版本），请打开文件^(File)菜单并选择帮助^(Help)。

1. 检查您的Office版本页面的产品信息^{(Product Information)}部分。

如果您有Microsoft Office 365 订阅^{(Microsoft Office 365 subscription)}，您只能在该部分中找到您的Office套件中的产品。滚动^(Scroll)到关于 [Office 产品]^{(About [Office Product])}行以查看您的Office应用程序版本。 

选择关于 [Office 产品]^{(About [Office Product])}图标以查看有关Microsoft Office应用程序的更多信息。

例如，选择关于 Word^{(About Word)}将在新窗口中显示 Microsoft Word 的许可证 ID^{(License ID)}、版本和内部版本号。您还可以在对话框中检查您是否拥有32 位或 64 位版本^{(32 or 64-bit version)}的Microsoft Word 。

从 Windows 设置菜单^{(From Windows Settings Menu)}

1. 转到设置^(Settings)>应用程序^(Apps)，然后选择已安装的应用程序^{(Installed apps)}。

在 Windows 10 中，转到设置^(Settings)>应用程序^(Apps)>应用程序和功能^{(Apps & features)}。

1. 您将在其名称下方找到Microsoft Office程序的版本。^{(Microsoft Office)}

1. 如果Windows没有在应用预览中显示Office版本，还有另一种检查方法。^(Office)选择Office应用程序旁边的三点菜单图标^{(three-dot menu icon)}，然后选择高级选项^{(Advanced options)}。

1. 检查Office应用程序版本的“规格”部分中的版本^(Version)行。

从 Windows 控制面板^{(From the Windows Control Panel)}

1. 打开Windows 控制面板^{(the Windows Control Panel)}并选择程序^(Programs)。

1. 选择程序和功能^{(Programs and Features)}。

1. 找到Office应用并检查其版本的“版本”列。或者，选择应用程序并检查控制面板^{(Control Panel)}窗口底部的产品版本。

1. 如果控制面板^{(Control Panel)}没有在页面上显示“版本”列，请切换到详细视图模式。为此，请选择应用列表右上角的更多选项下拉按钮。^{(More options)}

1. 选择详细信息^(Details)。

您现在应该能够在控制面板中检查^{(Control Panel)}Office应用程序的大小、版本和安装日期。

如何更新Microsoft Office应用程序

更新Office应用程序的步骤将根据您的计算机操作系统和Office产品而有所不同。

在 macOS 中更新 Microsoft Office 应用^{(Update Microsoft Office Apps in macOS)}

如果您从App Store安装了^{(App Store)}Microsoft Office应用程序，则可以在^{(Microsoft Office)}App Store中更新它们。Microsoft AutoUpdate工具还有助于更新macOS 设备上的 Microsoft 应用程序。^(Microsoft)

安装并启动Microsoft AutoUpdate 工具^{(Microsoft AutoUpdate tool)}，然后选中自动使 Microsoft 应用程序保持最新^{(Automatically keep Microsoft Apps up to date)}复选框。同样，选择更新以在您的^(Update)Mac上安装最新版本的过时Microsoft应用程序。

在 Windows 中更新 Microsoft Office 应用^{(Update Microsoft Office Apps in Windows)}

打开要更新的Office应用，在菜单栏上选择“文件”，然后选择“^(File)帐户^(Account)”或“ Office 帐户^{(Office Account)}” 。

Office更新应开始在后台下载。您可以在下载更新时继续使用该应用程序。但是，Office需要关闭并重新打开您的应用才能安装更新。安装更新时，系统会提示您保存文档。

What Version of Microsoft Office Do I Have?

If the same Microsoft Оffice app has diffеrent features on different devices, it’s likely beсause they’re different versions. Some third-party add-ins and templates also have features that only work in specific Office versions. These are a few reasons you may want to know what Microsoft Office version you have on your computer.

Microsoft Office programs should automatically update themselves, especially on Windows devices. But that doesn’t always happen. You may need to manually verify your Office app version and compare it against Microsoft’s Office updates database. This tutorial covers steps to check Office versions on Mac and Windows devices. You’ll also learn how to initiate Office updates on these devices.

Demystifying Microsoft Office Version Structure

When investigating your Office apps versions in Windows, you’ll come across a string of numbers (and letters). Microsoft uses its new five-digit build number format to label most Office 365 app versions. The version information of Office apps typically has a two-digit version number and a 10-digit build number halved by a period.

“Version” defines a standalone edition of an Office app, while “Build” refers to a variation of a specific version. Microsoft frequently releases new builds to fix bugs and resolve performance issues, while version updates majorly introduce new features.

Take this dummy version of an Office app as an example: Version 2204 (Build 15128.20224 Click-to-Run).

“2204” is the app version number, “15128.20224” is the build number, and “Click-to-Run” is the installation type.

Microsoft also includes the installation type at the end of an Office app version. “Windows Store” means you installed the Office app from the Microsoft Store. If you download and install an Office product from Microsoft or third-party sources, that’s a “Click-to-Run” installation.

Check Office Versions in macOS

Checking the app versions of Microsoft Office for Mac is straightforward. The procedure is consistent for all Office applications—irrespective of their versions.

1. Open a Microsoft Office app on your Mac and select the product name on the menu bar.
2. Select About Microsoft [Product] to proceed.

You’ll see “About Microsoft OneNote” in the app menu if you’re using OneNote.

1. You’ll find the Microsoft Office app version right below its name.

Check Microsoft Office Version on Windows PCs

You can check an Office app version in Windows Settings, Control Panel, or in the app’s settings menu.

Check Office Version in Account Settings Menu

Open Microsoft Excel, a Word document, Powerpoint, Outlook, or any Office application and follow the steps below.

1. Select File in the top-left corner of the app window.

1. Select Office Account on the sidebar.

In some Office applications, select Account in the File menu.

If you’re using an older version of Microsoft Office (Office 2010 or older), open the File menu and select Help.

1. Check the Product Information section of the page for your Office version.

If you have a Microsoft Office 365 subscription, you’ll only find products in your Office suite in the section. Scroll to the About [Office Product] row to see your Office app version. 

Select the About [Office Product] icon to view more information about the Microsoft Office application.

For instance, selecting About Word will reveal Microsoft Word’s License ID, version, and build number in a new window. You can also check whether you have a 32 or 64-bit version of Microsoft Word in the dialog box.

From Windows Settings Menu

1. Go to Settings > Apps and select Installed apps.

In Windows 10, go to Settings > Apps > Apps & features.

1. You’ll find the version of Microsoft Office programs below their names.

1. If Windows doesn’t display the Office version in the app preview, there’s another way to check. Select the three-dot menu icon next to the Office application and select Advanced options.

1. Check the Version row in the “Specifications” section for the Office application version.

From the Windows Control Panel

1. Open the Windows Control Panel and select Programs.

1. Select Programs and Features.

1. Locate the Office app and check the “Version” column for its version. Alternatively, select the app and check the bottom of the Control Panel windows for its product version.

1. Switch to a detailed view mode if the Control Panel doesn’t display the “Version” column on the page. To do so, select the More options drop-down button in the top-right corner of the app list.

1. Select Details.

You should now be able to check the size, version, and installation date of Office apps in the Control Panel.

How to Update Microsoft Office Applications

The steps for updating Office applications will vary depending on your computer’s operating system and the Office product.

Update Microsoft Office Apps in macOS

If you installed Microsoft Office apps from the App Store, you could update them in the App Store. The Microsoft AutoUpdate tool also helps to update Microsoft apps on macOS devices.

Install and launch the Microsoft AutoUpdate tool and select the Automatically keep Microsoft Apps up to date checkbox. Likewise, select Update to install the latest version of outdated Microsoft apps on your Mac.

Update Microsoft Office Apps in Windows

Open the Office app you want to update, select File on the menu bar, and select Account or Office Account.

Office updates should start downloading in the background. You can keep using the app while the update downloads. However, Office will need to close and reopen your app to install the update. You’ll get a prompt to save your documents when it’s time to install the updates.

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