About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.

To learn about digital signatures (also known as digital ID), what they can be used for, and how to them in Word, Excel, and PowerPoint, see All about digital signatures. Create a signature line in Word or Excel In the document or worksheet, place your pointer where you want to create a signature line. On the Insert tab, select Signature Line in the Text group. In the Signature Setup dialog ...

Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

This article is for setting up your email account only! If you're having trouble using the Outlook for iOS app, please visit our FAQs for more self-help information. If you have a work or school account that uses Microsoft 365 for business or Exchange-based accounts, there may be additional requirements set by your IT admin. For example, if you have a company-managed device, an on-premises ...

當您設定 Microsoft 365 商務版訂閱時，您會想要在電腦或 Mac 上下載並安裝 Microsoft 365 應用程式，例如 Word、Excel、Microsoft Teams 和 PowerPoint。 移至 m365.cloud.microsoft/apps ，然後使用您的 Microsoft 365 帳戶登入。 選取 [安裝及其他]，然後選取 [安裝 Microsoft 365 應用程式]。 選取 [安裝 Office]，然後開啟下載至您 ...

準備好安裝 Microsoft 365或 Office 2024了嗎？ 開始之前，請確保您的 PC 或 Mac 符合 系統需求。 如果您已兌換產品金鑰、重新安裝應用程式，或您已透過公司或學校指派授權，您可以略過並移至「登入」區段 ，以下載並安裝 Microsoft 365 或 Office。 不過，如果這是您 第一次 安裝 Microsoft 365或 Office，您可能 ...

Provides workarounds to an issue in which attachments can’t be downloaded or previewed from Outlook Web App.

Microsoft 365 網頁版 可讓您透過網頁瀏覽器開啟 Word、Excel、PowerPoint、OneNote 和 PDF 文件，方便您在雲端輕鬆完成工作。 登入 您組織的 Microsoft 365 網站以開始使用。 只要有網際網路連線，您幾乎可從任何裝置存取您的文件。

The simplest way to create a hyperlink in a Microsoft 365 document is to press ENTER or the SPACEBAR immediately after typing a webpage address (e.g., www.contoso.com). Microsoft 365 will then automatically convert the address into an active link. You can also create links to files on your computer, email addresses, and specific locations in a document. After creating a link, you can edit its ...

Learn how to download and install apps you need from your Microsoft 365 business subscription.