Unblock a single Excel XLL Add-in. In most cases you can unblock an XLL by modifying the properties of the file as follows: Open Windows File Explorer and go to the folder where you saved the file. Right-click the file and choose Properties from the context menu.

Click File > Get Add-ins. Alternatively, you can click Home > Add-ins. You can directly install add-ins from this page or select More Add-ins to explore. In the Office Add-ins box, click Store tab. Browse for the add-in you want.

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. Get a Microsoft 365 Add-in for Excel.

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.

As part of the startup process, Microsoft Word can load Component Object Model (COM) add-ins. A COM add-in is a supplemental program that extends the capabilities of Microsoft Word by adding custom commands and specialized features.

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).

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.

The 64-bit version of Microsoft 365 may be better suited to handle these complex slide decks. You’re working with files over 2 GB in Project, especially if the project has many sub-projects. You’re developing in-house Microsoft 365 solutions like add-ins or document-level customization.

You might see Error 0xC0000142 when you start an Office application. To help you resolve this, try the solutions below. We’ve listed the most common solutions first so try the steps in the order they're listed.

Your PIN is securely stored on your device, it isn’t transmitted anywhere, and it isn’t stored on a server. This makes it more secure than a traditional password. If you want to change your PIN, or need to reset it, you have different options.