If you need help with Outlook.com, you can read our self-help content, or get support via email.

After you create a drop-down list, you might want to add more items or delete items.In this article, we'll show you how to do that depending on how the list was created.

To help improve your privacy in Excel, a password adds protection to worksheets to help prevent others from changing, moving, or deleting important data.

Learn how to recover files that have been lost, deleted, or accidentally changed.

How to lock cells in Excel to protect your data. You can also unlock a range of cells and grant permissions to others to edit.

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

Here's how to change the size of text, images, and apps in Windows. To change your display in Windows, select Start > Settings > Ease of Access > Display.To make only the text on your screen larger, adjust the slider under Make text bigger.To make everything larger, including images and apps, choose an option from the drop-down menu under Make everything bigger.

Learn how to update Microsoft Office on PC and troubleshooting tips for installing Office updates.

On the Security tab, select Custom level, and then under ActiveX controls and plug-ins, do one the following: Allow Automatic prompting for ActiveX controls by selecting Enable. Allow Internet Explorer to Display video and animation on a webpage that doesn't use external media player by selecting Enable. Allow Internet Explorer to Download signed ActiveX controls by selecting Enable, or Prompt ...

These steps are the same whether you're adding your first iCloud email account or additional iCloud accounts to Outlook. Select a tab option below for the version of Outlook you're using.