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Fix Bluetooth problems in Windows - Microsoft Support
Troubleshoot problems with Bluetooth accessories. If you can turn on Bluetooth but having problems pairing or using a Bluetooth accessory, try the following steps to try to fix common problems with Bluetooth accessories.
Map a network drive in Windows - Microsoft Support
Map a network drive to get to it from File Explorer in Windows without having to look for it or type its network address each time. Open File Explorer from the taskbar or the Start menu, or press the Windows logo key + E.
Back up your Windows PC - Microsoft Support
Step 2: Back up your folders. Windows Backup is an easy, single stop for all of your backup needs. Your free Microsoft account comes with 5 GB of OneDrive cloud storage (and more storage is available if you need it), and backing up your folders syncs the folders you specify to your OneDrive account, making them instantly accessible on all computers that you use with this Microsoft account.
KB5005463—PC Health Check Application - Microsoft Support
Learn how to download, install, and use the PC Health Check app to check your device's compatibility with Windows 11 and get tips to improve its performance.
Windows 用の新しい Outlook の概要 - Microsoft サポート
新しい Outlook for Windows の詳細については、このブログ投稿を参照してください。 IT 担当者の場合は、 組織での Outlook の展開の詳細を確認してください。 フィードバックを送信するか、サポートを受ける エクスペリエンスを向上させる方法を聞きたいです。
适用于: 新的 Outlook for Windows
Modifier ou mettre à jour les paramètres d’un compte de messagerie dans ...
Vous devez parfois modifier les paramètres de votre compte de courrier. Si vous avez un nouveau mot de passe, si votre fournisseur de messagerie vous a demandé de modifier les paramètres, ou si vous avez des problèmes d’envoi et de réception de courrier électronique, vous pouvez modifier les paramètres de votre compte de courrier via Courrier dans le Panneau de configuration Windows ...
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013, Outlook 2010
Personalize your lock screen - Microsoft Support
Elevate your device by showcasing beautiful images from around the globe with Windows spotlight, or your favorite memories with a custom photo or a dynamic slide show as your lock screen background.. Stay informed and efficient with dynamic updates that bring weather, finance, sports, traffic, and app notifications right to your lock screen.
SUMIF 函数 - Microsoft 支持
sum_range 可选。要添加的实际单元格,如果要添加在范围参数指定以外的其他单元格。如果省略sum_range参数,Excel就会添加范围参数中指定的单元格(与应用标准的单元格相同)。 Sum_range 的大小和形状应该与范围相同。如果不这样做,性能可能会受到 ...
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Microsoft 365 Customer Service and Support - Microsoft Support
Support for home products. Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience. Chat or receive a call back from a technical support expert: If you have a Microsoft 365 Basic, Microsoft 365 Personal, or Microsoft ...
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 家庭版
Count how often a value occurs - Microsoft Support
The COUNTIFS function is similar to the COUNTIF function with one important exception: COUNTIFS lets you apply criteria to cells across multiple ranges and counts the number of times all criteria are met. You can use up to 127 range/criteria pairs with COUNTIFS. The syntax for COUNTIFS is: COUNTIFS(criteria_range1, criteria1, [criteria_range2, criteria2],…)
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016