Select Start and type "Windows Security" to search for that app. Select the Windows Security app from the search results, go to Virus & threat protection, and under Virus & threat protection settings select Manage settings. Switch Real-time protection to Off. Note that scheduled scans will continue to run. However, files that are downloaded or ...

The following tips can help you pinpoint the issue affecting your device. Before you begin, make sure your device is plugged into a power source and connected to the internet. Then, try the steps listed below to get your PC to update. Some updates require administrator access. If your account doesn't have administrator access, see Create a ...

Use the DATEDIF function when you want to calculate the difference between two dates. First put a start date in a cell, and an end date in another. Then type a formula like one of the following. Warning: If the Start_date is greater than the End_date, the result will be #NUM!.

Select the product you need help with. We'll show you self-help options first. Additional help is available if you need it, including live chat with a Microsoft specialist. Microsoft 365. Office. Windows. Xbox. Surface devices. Copilot.

If you have to change your email password, you’ll need to do that with your email provider (for example, Microsoft 365, Gmail, Yahoo, iCloud, Xfinity, or a corporate Exchange server). Then you’ll need to update the password in Outlook, the program that displays your email messages and allows you to read, reply to, and organize them.

Windows 10. Select the Start button, and then select Settings . Select System > Storage . Check your storage. Select the Start button > Settings > System > Storage.

Select Start > Settings > Apps > Default apps. To change the default app, you can do either of the following: Set a default for a file type or link type. In the search bar, enter the file type or link type you want, then select it from the list of results. You can choose which app can open that file or link type. Set defaults for applications.

Windows 11 Windows 10. Note: This article focuses on how to share files or folders over a Local Area Network (or LAN), such as connected computers within your home or workplace. If you are trying to find out how to share a file over the Internet, for example with a friend or family member, OneDrive provides easy ways to accomplish this. For ...

Templates. A list of Excel training, from entry level to advanced skills, plus templates and other resources.

DATE function. Returns the serial number of a particular date. DATEDIF function. Calculates the number of days, months, or years between two dates. This function is useful in formulas where you need to calculate an age. DATEVALUE function. Converts a date in the form of text to a serial number. DAY function.