Zendio reports which emails have been read, and which haven't.
Here's how to turn Mozilla Firefox into a social butterfly.
Microsoft dropped support for Windows Vista Service Pack 1 this week.
Four security updates -- one of them critical -- to address vulnerabilities in Windows and Visio are coming next week.
Make Firefox the browser you want it to be, with extensions for faster, safer, more efficient browsing.
Remove duplicate entries from Microsoft Excel worksheets with add-in Duplicate Remover for Excel.
This free plug-in adds tabs to Microsoft Excel, PowerPoint, and Word.
Screen Microsoft Outlook e-mail in plain text--or view its behind-the-scenes HTML and routing info--with PocketKnife Peek.
This must-have add-on was just updated to support Firefox 4. With just a few clicks, it recovers whatever text you just lost to a glitch, crash, or accidental deletion.
The InstantFox add-on powers up Firefox's address bar with shortcuts for searches.