If you're looking for Help on specific Excel Add-ins, such as Solver or Inquire, see Help for Excel for Windows add-ins. If you're looking for additional help with Excel add-ins using the COM Add-ins dialog box, see Add or remove add-ins in Excel.

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.

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).

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.

In Outlook, click File > Manage Add-ins. In Outlook Web App, click Settings > Manage add-ins. Under Manage add-ins, in the Turned on column, select the check box for the add-in you want to enable. Learn how to enable an app for Outlook.

Add-ins are supplemental programs that add custom commands or custom features to Office programs. You can obtain add-ins for PowerPoint at Popular Office downloads or on third-party vendor websites.

You can now get Office Add-ins from the Store or use add-ins you already have from right within recent versions of Word for Mac and Excel for Mac. There are two kinds of add-ins: Office Add-ins from the Office Store (which use web technologies like HTML, CSS and JavaScript) and add-ins made by using Visual Basic for Applications (VBA).

Outlook add-ins provide solutions to help you better interact with Outlook and complete tasks on your messages and appointments without leaving Outlook. Some add-ins are installed by your email administrator, but you can install other ones from the Office Store.

Refresh the Office Add-ins list in Office 2016. If an Office add-in isn’t showing up in the Office Add-ins list, refresh the list to see all of your add-ins. In Word 2016, Excel 2016, or PowerPoint 2016, click Insert > My Add-ins. In Project 2016, click Project > My Add-ins.