Yahoo! Mail

1. 1To write an email, click the compose message button. A new, blank email will open in a new tab.
2. 2For IM, click the down-facing arrow next to the button. From the menu, select the type of message you want to send.
3. 3Contacts who are online will appear in the left column of your Inbox. To start an IM, click on a contact's name. Right-click for more options.

1. To send attachments, click the Attach Files button in an open email.
2. A dialog box pops up that lets you locate files on your computer.
3. You can attach up to 50 files at a time; up to 25MBs in total. For sending large files up to 100MB, click Attach Large Files in the Applications Menu on the left of your Inbox.

1. People who are not in your Contacts will have a '+' sign displayed next to their name or email address.
2. Click the '+' sign to add that person to your Contact list. A dialog box will appear for you to fill in the contact's information.

From a Web Email Service

1. Click on the Contacts tab.
2. On the Contacts page, select Import Contacts, then follow the instructions.

From a Desktop Mail Program (such as Microsoft Outlook™)

1. Go to your desktop mail app and export your contacts to a file.. (Make sure the file is in .csv or .vcf format.)
2. Then follow the instructions for "From a Web Email Service," above.

1. Make sure you're signed in to Yahoo! Messenger by clicking on the Flash icon next to Online Contacts on the left. Your top online contacts will appear below.
2. Start a conversation by clicking on an online contact. Right-click on the name for more options.
3. In the Conversation Window, type your message in the text entry field, then press the Enter key to send your instant message.
4. Change your online status by clicking on the triangle next to your name at the top of the page. You can choose Available, Busy, or Invisible.

1. An incoming email that contains photos, or a link to a photo service like Flickr, displays thumbnail images at the bottom of the message.
2. To view the photos in a slideshow, click the View Slideshow button below the thumbnails. The slideshow will start automatically.
3. Click the arrow buttons to advance or review photos at your own pace. Clicking the image itself will advance you to the next photo.

1. Click Options on the upper left of your Yahoo! Mail page and select Themes from the dropdown menu.
2. The Themes Gallery opens in a pop-up window. Click on a theme that you like and your Inbox will appear as it.

1. You can enable the preview pane by clicking on the Switch View button in the top toolbar of your Inbox.
2. Select from one of the options to change your settings and click OK when prompted.
3. You can change the size of the preview pane by dragging the bar up and down. Click to hold and drag the bar.

1. New tabs can automatically open when composing a new message, replying to email, performing search results, or using certain applications.
2. Just click any tab to view it.
3. To close a tab, mouse over the tab header and click on the X icon that appears.

Search within Subjects of messages

Looking for an email titled something like Dave's Birthday Bash? Let's say you're not sure if those were the exact words, but you feel strongly that "Bash" was in there somewhere.

You can type
subject:bash ...or, subject:dave ...or, subject:"dave's birthday"

Find messages from a person or company

Example: Search for messages from Roger by typing:
from:Roger

Find messages about a person (or a company) through a third party.

Example: Search for messages that mention Laura but aren't from Laura by typing:
laura -from:laura

Attachment file types

Example: Search for jpeg attachments.
attachmenttype:jpg