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View, manage, and install add-ins for Excel, PowerPoint, and Word
When you enable an add-in, it adds custom commands and new features to Microsoft 365 programs that help increase your productivity. Because add-ins can be used by attackers to do harm to your computer, you can use add-in security settings to help protect yourself.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, InfoPath 2013
Activate Windows - Microsoft Support
Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...
Contact - Microsoft Support
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Windows で画面の解像度を変更する - Microsoft サポート
Windows で画面の解像度を変更する. Windows 11 Windows 10. Windows に表示される内容のサイズを変更したい場合は、次の 2 つのオプションがあります。. Windows 11 Windows 10. 始める前に、PC に外部ディスプレイを接続している場合は、変更するディスプレイを選択します ...
TEXTJOIN function - Microsoft Support
TEXTJOIN function. Excel for Microsoft 365 Excel for Microsoft 365 for Mac Excel for the web More... The TEXTJOIN function combines the text from multiple ranges and/or strings, and includes a delimiter you specify between each text value that will be combined. If the delimiter is an empty text string, this function will effectively concatenate ...
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac
Outlook の [宛先]、[Cc]、[Bcc] フィールドで推奨される受信者を管理する - Microsoft サポート
注: 検索リストが空白の場合は、500 を超える連絡先を含む組織のグローバル アドレス一覧 (gal) から名前を追加している可能性があります。検索を開始するには、名、姓、またはメール アドレスの文字の入力を開始する必要があります。 [受信者として追加] を選択します。
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
LEFT, LEFTB functions - Microsoft Support
Syntax. LEFT (text, [num_chars]) LEFTB (text, [num_bytes]) The function syntax has the following arguments: Text Required. The text string that contains the characters you want to extract. Num_chars Optional. Specifies the number of characters you want LEFT to extract. Num_chars must be greater than or equal to zero.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Microsoft Edge で Cookie を管理する: 表示、許可、ブロック、削除、使用
クッキーを許可することで、ウェブサイトはブラウザ上のデータを保存および取得することができ、お客様の好みやログイン情報を記憶することで閲覧エクスペリエンスを向上させることができます。
Applies To: Microsoft Edge
Uninstall or remove apps and programs in Windows
Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.
Download drivers and firmware for Surface - Microsoft Support
To find the link for the driver you need, select the dropdown list below and then scroll through it to find the type of Surface you have. After you've selected it, you'll see the available links for that type of Surface device model. Select the link for your model to get the latest firmware and drivers for sound, display, ethernet, and Wi-Fi.