Microsoft Outlook

Quick e-mails Send out a quick e-mail without launching Outlook. Right-click an empty area on your desktop and select New > Shortcut. Type mailto: in the Shortcut wizard. Then name your shortcut. Now you can just double-click the shortcut to open a blank e-mail message.

Create archives Avoid reaching your mailbox's memory capacity by archiving your messages. Go to Tools > Options and select the Other tab. Click the AutoArchive button, and make your selections.

Reduce or eliminate spam To decrease your daily dose of spam, select Tools > Options > Junk E-mail and click the High radio button. To eliminate spam completely, select the Safe Lists Only radio button to receive e-mails only from the people you allow. If you're concerned about missing any e-mails, check your Junk E-mail box regularly.

Save multiple attachments... To save multiple file attachments in an e-mail message all at once, click File > Save Attachments, then select Save All Attachments.

...but get rid of the large ones Free up your in-box by deleting messages with large attachments. Go to the View menu, click the Arrange By drop-down list and select Size. Now you can delete e-mails with the largest attachments first and work your way down.

Create multiple signatures You can specify a different signature based on whether you're sending a new message, a reply or a forward. Go to Tools > Options > Mail Format. Under Signatures, select the signature you want to use from the "Signature for new messages:" drop-down menu.

Make your boss blue Colour-code incoming messages based on who they're from by highlighting a message from that individual, clicking Tools > Organize > Using Colors, and selecting a colour from the drop-down list.

Schedule appointments To turn an e-mail message into an appointment, drag it over to your Calendar bar until it turns orange. This automatically opens an appointment window, in which you can set up the time and the place and set a reminder.