Microsoft 365 ファイルのデジタル署名を追加または削除する - Microsoft サポート
Word または Excel で署名欄に署名する 署名欄に署名すると、目に見える署名とデジタル署名が追加されます。 ファイルで署名行を右クリックし、 [署名] を選択 します。 [保護されたビュー] でファイルが開く場合は、ファイルが信頼できるソースの場合は 、 [Edit Anyway]\ (とにかく編集\) を選択し ...
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel 2024, PowerPoint 2024, Excel 2021, Word 2021, PowerPoint 2021, Excel 2019, Word 2019, PowerPoint 2019, Excel 2016, Word 2016, PowerPoint 2016
How to recover a hacked or compromised Microsoft account
Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.
Applies To: Outlook.com
デジタル証明書を取得してデジタル署名を作成する - Microsoft サポート
Office でのデジタル署名と証明書、証明機関からデジタル証明書を購入すること、または独自の証明書を作成することについ ...
Applies To: 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
Sync files with OneDrive in Windows - Microsoft Support
With OneDrive, you can sync files between your computer and the cloud, so you can get to your files from anywhere - your computer, your mobile device, and even through the OneDrive website at OneDrive.com. If you add, change, or delete a file or folder in your OneDrive folder, the file or folder is added, changed, or deleted on the OneDrive website and vice versa. You can work with your synced ...
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft365.com, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Advanced Outlook.com security for Microsoft 365 subscribers
Learn more about the advanced security features for Outlook.com that come with an Office 365 Home or Office 365 Personal subscription.
Applies To: Outlook.com
Enhanced Sign-in Security in Windows - Microsoft Support
When you sign in with Windows Hello, your biometric data is stored securely (see here for more technical information). Malicious users and attackers constantly try to come up with new ways to access your device and access sensitive information. To stop them, you need a secure sign-in process that begins at the biometric sensor, and ends where your profile is stored. What does Enhanced Sign-in ...
How to add your accounts to Microsoft Authenticator
Learn how to add all your different accounts to the Microsoft Authenticator app.
Device Encryption in Windows - Microsoft Support
Learn about BitLocker Device Encryption in Windows and how to enable it.
Download files from the web - Microsoft Support
Learn how to download files from the web, change your default download location, and find files you've downloaded on your PC using Internet Explorer.
Microsoft からの課金料金を調査する方法 - Microsoft サポート
認識されない料金の原因として最も可能性の高い原因を次に示します。 Microsoft サブスクリプションで定期的な請求が有効になっています。 家族などの知人が、カードで何かを購入しました。 これで、 [ 支払いの管理 ] ページでこれを調査できます。 以前に拒否された料金が再び請求されまし ...
Applies To: Microsoft account dashboard