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.

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

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.

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

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.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

Copilot not only helps you create new content, but it also helps you transform your existing content into a document you can be proud of. With text already in your document, highlight the text that you would like to rewrite or transform into a table. In the left margin next to your text, select the Copilot icon.

Fix touchpad problems in Windows. If your touchpad isn’t working, it may be a result of a missing or out-of-date driver. Updating or reinstalling your touchpad drivers in Device Manager may help solve the problem. To open Device Manager, enter device manager in Search on the taskbar, then select Device Manager.

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.

Post questions, follow discussions and share your knowledge in the Outlook.com Community. Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.