Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.

Get an Office Store add-in. On the Insert tab, look for the Add-ins group. To get new add-ins, select Get Add-ins. To use add-ins you already have, select My Add-ins . The add-ins you'll see will depend on the kind of Microsoft 365 subscription you have.

You can download free, pre-built document templates with useful and creative themes from Office when you click File > New in your Office app. Templates can include calendars, business cards, letters, cards, brochures, newsletters, resumes, cover letters , presentations, social media and much more.

Learn how to sign in to Office or Microsoft 365 from a desktop application or your web browser.

For guidance on how to locate the Apps button to access add-ins while reading or composing a mail item, see Use an add-in in Outlook. In the Apps page, search for the add-in you want from the available list. Alternatively, if you're after a specific add-in, enter its name in the search box.

In the Office Add-ins box, click Store tab. Browse for the add-in you want. You can browse the whole store by selecting All or by a specific category such as Productivity. You can filter results by the add-in's name or its rating, or try the Suggested for you option.

When you install the web version of Outlook as a progressive web app, you can do things like pin and launch the web version of Outlook from your computer's home screen or task bar and access your account while you're offline.

Microsoft Office Excel support Automation Add-ins in addition to Component Object Model (COM) Add-ins. This article explains the differences between these two types of Add-ins. More Information

Add-ins for Outlook for Mac are programs or utilities that help you automate tasks or add new features when you view or create messages. Microsoft has partnered with leading companies to build add-ins that help you get things done right from your inbox.