Digital signatures and certificates | Microsoft Support
A digital signature is an electronic, encrypted, stamp of authentication on digital information such as email messages, macros, or electronic documents. A signature confirms that the information originated from the signer and has not been altered.
適用対象: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Excel 2024, PowerPoint 2024, Access 2024, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Visio Professional 2016, Visio Standard 2016
View digital signature and certificate details | Microsoft Support
The Signature Details dialog box displays certificate information such as the signer’s name in the Signing as box, and who issued the certificate. Open the file that contains the certificate you want to view.
適用対象: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel 2024, PowerPoint 2024, Excel 2021, Word 2021, PowerPoint 2021
Microsoft アカウントの個人情報を変更する | XBOX Support
お支払い方法やプロフィール情報などの個人情報を XBOX プロフィールと Microsoft アカウントで変更する方法について説明します。
使用滑鼠和鍵盤在電腦上玩 XBOX 雲端遊戲 | XBOX Support
若要這麼做,您必須在執行 Windows、MacOS 或 Linux 的電腦上使用 XBOX 應用程式或相容瀏覽器。 目前,Edge 和 Chrome 是唯一支援雲端遊戲使用滑鼠和鍵盤功能的瀏覽器。 注意事項: 支援有線和無線滑鼠和鍵盤。 透過雲遊戲提供的遊戲是這些遊戲的主機版本。 若要開始玩遊戲,請移至 xbox.com/play,使用您的 Microsoft 帳戶登入,然後從具有滑鼠和鍵盤徽章的「使用滑鼠和鍵盤玩遊戲」類別中,選擇遊戲。 可使用滑鼠和鍵盤遊玩的遊戲會以滑鼠形狀的特殊圖示進行標示。 您也可以開啟 XBOX 應用程式,從「使用滑鼠和鍵盤玩遊戲」區段選取遊戲。 「使用滑鼠和鍵盤玩遊戲」區段中列出的遊戲可以用這種方式遊玩。
Obtain a digital certificate and create a digital signature
If you don't want to purchase a digital certificate from a third-party certificate authority (CA), or if you want to digitally sign your document immediately, you can create your own digital certificate.
適用対象: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Word 2024, Word 2021, Word 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Office 2016
Troubleshoot OneDrive for iOS app problems | Microsoft Support
Learn how to resolve common problems with the OneDrive app on your iPhone or iPad, including sign-in, syncing, and upload issues.
How are certificates going to be moved to the device?
Certificates are moved to the device via email. You will need to export a password-protected .pfx file, and email it to yourself. Then tap on that .pfx file to install it onto the device/Outlook mobile. The following image shows how manual certificate delivery works in iOS.
適用対象: Outlook for Android, Outlook for iOS
iPhone または iPad に Microsoft Copilot アプリをインストールして ...
iPhone または iPad で、 App Store で Microsoft Copilot を開き、 [入手] をタップします。 Copilot アプリを開きます。 Microsoft 365 に使用するアカウントでサインインします。 職場または学校: organization のメール (Microsoft Entra ID)。
適用対象: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, OneNote for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, OneNote 2024, Office 2024, Excel 2024 for Mac, Word 2024 for Mac, Outlook 2024 for Mac, PowerPoint 2024 for Mac, OneNote 2024 for Mac, Office 2024 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Office 2016, PowerPoint for Mac, 家庭向け Microsoft 365, Office 365 Small Business, Microsoft 365 Admin, 21Vianet が運営する Office 365 - Small Business Admin, iOS 用 Microsoft 365 Copilot アプリ, Outlook Web App, Skype for Business for iPad
デジタル証明書を取得してデジタル署名を作成する | Microsoft ...
CA は、他の当事者が使用するためにデジタル証明書を発行する信頼できるサード パーティのエンティティです。 商用のサード パーティ証明機関から、デジタル証明書を購入したり、無料のデジタル証明書を入手したりすることができます。 多くの機関、政府、企業も独自の証明書を発行できます。 デジタル証明書は、デジタル署名に関連付けられた秘密キーの検証に使用できる公開キーを提供するため、デジタル署名に必要です。 デジタル証明書を使用すると、デジタル情報を認証する方法としてデジタル署名を使用できます。
適用対象: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Word 2024, Word 2021, Word 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Office 2016
Send a digitally signed or encrypted message for Mac
In Certificate, select the certificate that you want to use. You'll only see those certificates that you've added to the keychain for your Mac OSX user account and those certificates that are valid for digital signing or encryption.
適用対象: Outlook for Microsoft 365 for Mac, Outlook 2024 for Mac, Outlook 2021 for Mac