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Calendar (Windows)
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<p>Calendar was a personal <a href="/facts/Calendaring_software/ICfDpsUR">calendar application</a> made by <a href="/facts/Microsoft/nGIDDXdx">Microsoft</a> for <a href="/facts/Microsoft_Windows/bwhAhuSL">Microsoft Windows</a>. It offered synchronization of calendars using <a href="/facts/Microsoft_Exchange_Server/9pu8G4It">Microsoft Exchange Server</a>, <a href="/facts/Outlook.com/I4sund79">Outlook.com</a>, Apple's <a href="/facts/ICloud/AUcIyg4L">iCloud</a> calendar service, and <a href="/facts/Google_Calendar/tgbSTAux">Google Calendar</a>. </p>