If you need to sum a column or row of numbers, let Excel do the math for you. Select a cell next to the numbers you want to sum, select AutoSum on the Home tab, press Enter, and you’re done. When you select AutoSum, Excel automatically enters a formula (that uses the SUM function) to sum the numbers. Here’s an example.

Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.

Δοκιμάστε αυτές τις λύσεις, αν δεν μπορείτε να εισέλθετε στον λογαριασμό ηλεκτρονικού ταχυδρομείου Outlook.com, Hotmail, Live ή MSN ή δεν είστε βέβαιοι πώς να εισέλθετε ή να εξέλθετε.

Certificate authority (CA) A certificate authority is an entity similar to a notary public.It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.

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Type the email address of the other mailbox that you want to open and then select Open.Or, start typing and then select Search contacts and directory to find the mailbox you want to open. Select the shared mailbox you want to open, and then select Open.Another Outlook Web App session opens in a separate window, allowing access to the other mailbox.

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Change the colors of your flow chart. To quickly add a designer-quality look and polish to your SmartArt graphic, you can change the colors or apply a SmartArt Style to your flow chart.

Learn how to connect to a projector or to another PC in Windows using the keyboard shortcut "Windows logo key + P", the Connect app (for Windows 10), or the Wireless Display app (for Windows 11).

Use the People page to create, view, and edit contacts, contact lists, and groups. Create new contacts from scratch, or add someone as a contact from their profile card.