Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

Use the Block or Allow settings to help control unwanted and unsolicited email messages by creating and managing lists of email addresses and domains that you trust and those that you don’t.

Learn how to manage your mailbox size and keep it within a specific size limitation with Microsoft Support.

Note: In earlier versions of Outlook, IMAP accounts also used an Outlook Data File (.pst).In Outlook 2016 and Outlook for Microsoft 365, IMAP accounts use Offline Outlook Data Files (.ost). You can also use an Outlook Data File (.pst) to backup or export items from any type of email account.

Automatically fill a series of data in your worksheet, like dates, numbers, text, and formulas. Use the AutoComplete feature, Auto Fill Options button and more.

Note: Microsoft provides programming examples for illustration only, without warranty either expressed or implied.This includes, but is not limited to, the implied warranties of merchantability or fitness for a particular purpose. This article assumes that you are familiar with the VBA programming language, and with the tools that are used to create and to debug procedures.

To add text, like a title, in an arbitrary position close to or on top of your SmartArt graphic, on the Insert tab, in the Text group, click Text Box to insert a text box. If you want only the text in your text box to appear, right-click your text box, click Format Shape or Format Text Box, and then set the text box to have no background color and no border.

Select the cell you want to combine first. Use commas to separate the cells you are combining and use quotation marks to add spaces, commas, or other text.

Word 2021 for Windows enables you to create compelling content and includes co-authoring, new stock media from the Office Premium Creative Content collection, and new Draw tab additions such as Point Eraser, Ruler, and Lasso.

If you receive an email notifying you of unusual activity, you can see when and where your account has been accessed—including successful sign-ins and security challenges—on the Recent activity page. Microsoft learns how you usually sign in to your account and flags events that are suspicious.