Edit a PDF - Microsoft Support
To edit a PDF, open it in Word. This works best with PDFs that are mostly text. PDFs of book chapters or something that looks like a manuscript from a copier won't be formatted well in Word. Go to File > Open. Find the PDF and open it (you might have to select Browse and find the PDF in a folder). Word tells you that it's going to make a copy ...
Applies To:
Word for Microsoft 365, Word 2021, Word 2019, Word 2016
Create a workbook in Excel for the web - Microsoft Support
Notes: If you're using the desktop version of Excel on a Windows PC, see this Excel Quick Start.. If you're using the desktop version of Excel on a Mac, see Office for Mac Quick Start Guides and Excel for Mac Help.
Applies To:
Excel for the web
使用 SUM 函数对区域中的数字求和 - Microsoft 支持
可以使用 简单的公式对) 一组单元格 (区域中的数字求和，但在处理多个数字时 ，sum 函数 更易于使用。 例如，=sum (a2：a6) 出现键入错误的可能性小于 =a2+a3+a4+a5+a6。 下面是使用两个单元格区域的公式： =sum (a2：a4，c2：c3) 对区域 a2：a4 和 c2：c3 中的数字求和。 可按 enter 获取总计 39787。
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Make a checklist in Word - Microsoft Support
Create a print only list. Go to Home and select the down arrow next to the Bullets button. In the drop down menu, select Define New Bullet. Select Symbol and find a box character. If you don't initially see one, change Font to Wingdings or Segoe UI Symbol. Select OK twice, and create your list. How to create a checklist in Word that can be ...
Applies To:
Word for Microsoft 365, Word for the web, Word 2021, Word 2019, Word 2016
Activate Office after reinstalling or installing on a different device
If you haven't installed Office on another computer yet, follow the instructions in Install Office on your PC or Mac. Follow the steps in Activate by telephone, described above. Uninstall Office from the original computer. Read the Software License Terms to review terms on transferring Office. Open an Office application, such as Word.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016
更改桌面背景图像 - Microsoft 支持
你可以选择桌面背景并随时更改它。. 选择 “开始 > 设置” > “个性化 > 背景 ”。. 在 “个性化设置背景 ”旁边的列表中，选择“ 图片 ”、“ 纯色 ”、“ 幻灯片放映 ”或“ Windows 聚焦 (”，) 查看来自世界各地的新图像。. 注意: 如果无法选择 “Windows 聚焦 ...
在 Microsoft Edge 中打开 Adobe Flash - Microsoft 支持
在左侧导航中，选择 " 网站权限 "。. 在 " 网站权限 " 中，选择 " Adobe Flash "。. 在 运行 Flash 选项之前 为 "提问" 设置 "切换"。. 访问使用 Flash 的站点后，“阻止”和“允许”列表将可用。. 下次访问使用 Flash 的站点时，浏览器会在允许 Flash 运行前请求你授予权限 ...
查看和删除 Microsoft Edge 中的浏览器历史记录 - Microsoft 支持
依次转到“ 设置及更多 ” >“ 设置 ”>“ Cookie 和站点权限 ”，以查看每个网站的列表，包括位置、Cookie、弹出窗口和媒体自动播放。. 旧版 Microsoft Edge 中的所有数据，包括历史记录、收藏夹、密码等。. 包括许可证、证书和密钥等。. 重启 Microsoft Edge 浏览器后 ...
Xbox subscription cancellations and refunds | Xbox Support
To cancel your subscription on your Xbox console: Press the Xbox button to open the guide. Go to Profile & system > Settings > Account > Subscriptions. Choose the subscription that you want to manage, and then follow the steps to cancel. If eligible, you may be prompted to initiate a refund for your subscription.
Change your country or region in Microsoft Store
When you make your first purchase in the new locale, you'll be prompted to update your billing info. To change your region, use one of the following options: Select Start > Settings > Time & Language > Language & Region. Under Country or region, select your new region. You can switch back to your original region at any time.