Yahoo! Toolbar is a toolbar

Toolbar

In a graphical user interface, on a computer monitor, a toolbar is a GUI widget on which on-screen buttons, icons, menus, or other input or output elements are placed. Toolbars are seen in office suites, graphics editors, and web browsers...

 that installs on the Internet Explorer

Internet Explorer

Windows Internet Explorer is a series of graphical web browsers developed by Microsoft and included as part of the Microsoft Windows line of operating systems, starting in 1995. It was first released as part of the add-on package Plus! for Windows 95 that year...

 and Firefox browsers, within the context of internet

Internet

The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite to serve billions of users worldwide...

 access functions. It allows access to several functions, including Yahoo! Search

Yahoo! Search

Yahoo! Search is a web search engine, owned by Yahoo! Inc. and was , the 2nd largest search engine on the web by query volume, at 6.42%, after its competitor Google at 85.35% and before Baidu at 3.67%, according to Net Applications....

 and Yahoo! Mail

Yahoo! Mail

Yahoo! Mail is a web mail service provided by Yahoo!. It was inaugurated in 1997, and, according to comScore, Yahoo! Mail was the second largest web-based email service with 273.1 million users as of November 2010....

. It also contains built-in algorithm

Algorithm

In mathematics and computer science, an algorithm is an effective method expressed as a finite list of well-defined instructions for calculating a function. Algorithms are used for calculation, data processing, and automated reasoning...

s to prevent pop-ups

Pop-up ad

Pop-up ads or pop-ups are a form of online advertising on the World Wide Web intended to attract web traffic or capture email addresses. Pop-ups are generally new web browser windows to display advertisements...

 and spyware

Spyware

Spyware is a type of malware that can be installed on computers, and which collects small pieces of information about users without their knowledge. The presence of spyware is typically hidden from the user, and can be difficult to detect. Typically, spyware is secretly installed on the user's...

. Several additional features are available on the Internet Explorer version, as well as incorporating Firefox-style tabbed browsing to IE version 6.0 (versions 7.0 and later allow tabbed browsing).

Windows users

• Windows 2000
  Windows 2000
  Windows 2000 is a line of operating systems produced by Microsoft for use on personal computers, business desktops, laptops, and servers. Windows 2000 was released to manufacturing on 15 December 1999 and launched to retail on 17 February 2000. It is the successor to Windows NT 4.0, and is the...
  
   or higher
• Internet Explorer 6.0 or higher
• Firefox 1.5 or higher

Mac and Linux users

• Firefox 1.5 or higher

Opera

Opera (web browser)

Opera is a web browser and Internet suite developed by Opera Software with over 200 million users worldwide. The browser handles common Internet-related tasks such as displaying web sites, sending and receiving e-mail messages, managing contacts, chatting on IRC, downloading files via BitTorrent,...

, Safari

Safari (web browser)

Safari is a web browser developed by Apple Inc. and included with the Mac OS X and iOS operating systems. First released as a public beta on January 7, 2003 on the company's Mac OS X operating system, it became Apple's default browser beginning with Mac OS X v10.3 "Panther". Safari is also the...

 and Google Chrome

Google Chrome

Google Chrome is a web browser developed by Google that uses the WebKit layout engine. It was first released as a beta version for Microsoft Windows on September 2, 2008, and the public stable release was on December 11, 2008. The name is derived from the graphical user interface frame, or...

 are not currently supported.

Similar Toolbars

• Advanced Searchbar
  Advanced Searchbar
  Advanced Searchbar is a freeware toolbar for Internet Explorer 6, 7.0 and Internet Explorer 8 which searches over 100 different search engines including: Google, Yahoo!, Bing, Wikipedia, Open Directory Project, About.com, Ask.com, Dogpile, Answers.com, etc. It has an interface intended to be...
  
  
• Alexa Toolbar
  Alexa Toolbar
  The Alexa Toolbar, is an application produced by Alexa Internet, and is a Firefox extension and Browser Helper Object for Internet Explorer on Microsoft Windows that is used by Alexa to measure website specific statistics.-Content:...
  
  
• AOL Toolbar
  AOL Toolbar
  The AOL Toolbar is a browser toolbar for Internet Explorer, Firefox, and Flock. It has a few default buttons like Mail, Weather, and Radio, and also allows the user to add additional buttons - from the Button Gallery or by dragging and dropping a website's favicon....
  
  
• Bing Bar
• Google Toolbar
  Google Toolbar
  Google Toolbar is an Internet browser toolbar only available for Internet Explorer and Firefox .-Google Toolbar 1.0 December 11, 2000:New features:*Direct access to the Google search functionality from any web page*Web Site search...
  
  

External links

• Information at Yahoo Help