of these functions, except the opera:about combination, work in the Nintendo DS Browser, which is an Opera derivative. Internet Explorer (6–11) Internet Explorer about URIs are configurable in Windows. It is therefore possible that some of the listed URIs will not work on a particular computer. For example, "about:mozilla" was removed in SP2 (although the page can still be found at "res://mshtml.dll/about.moz"). These about URIs are sometimes used for spyware and adware, most notably in CoolWebSearch, which made about:blank display advertisements. Any about URI that is not recognized by Internet Explorer redirects to a page saying "Navigation to the webpage was canceled." {| class="wikitable" |+ Internet Explorer-specific "about:" URIs ! URI !Purpose !Supported versions |- | about:home |Displays the user's home page. |6, 7, 9, 10, 11 (not 8) |- | about:desktopitemnavigationfailure | rowspan="3" |Displays the "navigation cancelled" page. | rowspan="3" |6–8 |- | about:navigationcanceled |- | about:navigationfailure |- | about:noadd-ons |Appears when add-ons are disabled to notify the users of a change in their web browsing experience. |7–11 |- | about:noadd-onsinfo|Contains information about add-ons and what they do. |7–11 |- | about:offlineinformation|Informs the user that the current page cannot be viewed offline. Internet Explorer 9 and later do not support offline browsing. |6–8 |- | about:postnotcached|Informs the user that the current page needs to refresh and any information entered in a form will have to be re-posted. |6–11 |- | about:securityrisk|Informs the user not to browse with the current security settings because they may be harmful to the computer. |6–11 |- | about:tabs|Informs the user about tabbed browsing. Internet Explorer shows this page upon creating a new tab if the "Open home page for new tabs instead of a blank page" setting is enabled. |7–11 |- | about:inprivate|Appears when the use initiates InPrivate Browsing; contains information about this feature. |9–11 |- | about:compat|Displays a table of sites and the document rendering emulation mode configured for maximum backward compatibility. |11 |- | about:newsfeed|Displays Internet Explorer 11's signature start page. It contains a Microsoft Bing search bar at the top, followed by a customizable row of tiles pertaining bookmarked website, a row of news topic category selection links, and an infinitely scrolling news aggregation feed. |11 |} Microsoft Edge (v20–44) The following applies to Microsoft Edge version 20 through 44, which Microsoft dubs "the legacy Edge." For newer versions, see the Chromium section. GNOME Web When GNOME Web (formerly Epiphany) used