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Windows Live Mail
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<p>Windows Live Mail (formerly named Windows Live Mail Desktop, code-named Elroy) is a discontinued <a href="/facts/Freeware/c8oGA9ju">freeware</a> <a href="/facts/Email_client/pQdW9HtC">email client</a> from <a href="/facts/Microsoft/nGIDDXdx">Microsoft</a>. It was the successor to <a href="/facts/Windows_Mail/DSnnBDhT">Windows Mail</a> in <a href="/facts/Windows_Vista/IASEUCTB">Windows Vista</a>, which was the successor to <a href="/facts/Outlook_Express/80CrN0Yo">Outlook Express</a> in <a href="/facts/Windows_XP/IozrkAYS">Windows XP</a> and <a href="/facts/Windows_98/6qtq4oJm">Windows 98</a>. Windows Live Mail is designed to run on <a href="/facts/Windows_7/tldLdbnX">Windows 7</a> and <a href="/facts/Windows_Server_2008_R2/fphr15Tu">Windows Server 2008 R2</a>, but is also compatible with <a href="/facts/Windows_8/eRtw96T3">Windows 8</a> and <a href="/facts/Windows_10/be9IHehJ">Windows 10</a>, even though Microsoft bundles a new email client, named <a href="/facts/Mail_(Windows)/DSnnBDhT">Windows Mail</a>, with the latter. In addition to email, Windows Live Mail also features a calendar, an <a href="/facts/News_aggregator/nzy1zPes">RSS feed reader</a>, and a <a href="/facts/Newsreader_(Usenet)/Xn8FS66Q">Usenet newsreader</a>. </p><p>Windows Live Mail moved away from the older Microsoft mail programs, such as Outlook Express, which stored all e-mails comprising a folder (such as the Inbox) in a single .dbx file. In order to provide greater flexibility (and to avoid the problem where corruption of a single .dbx file could delete multiple emails), Windows Live Mail stores each email message as a separate .eml file. Only the folder structure is maintained in a single database file, using the ESE (Extensible Storage Engine) database structure, named Mail.MSMessageStore (which also holds some metadata for each .eml file on the system, so can be a huge file). The program also maintains a backup copy of that file, in the Backup sub-folder, so problems are rare. At a pinch, the Mail.MSMessageStore file can be recreated from the data in the .eml files. </p>