<p>Making an appointment means</p> <ul> <li>Add date, time and title of the appointment to the Android-Calendar</li> <li>In Android-Calendar-Detailview use Send/Share (from menu or toolbar)</li> <li>Select "CalEF" as share destination (to convert to human readable text)</li> <li>Select the final Send/Share destination (clipboard, sms, mail, ...)</li> </ul> <p>Usually calendar entries are shared in a human-unreadable technical format "ICS" (or "VCS") that calendar programs can read.</p> <p>CalEF receives the technical format and re-sends/re-shares it-s content as human readable text.</p> <p>Date/Time is formatted according to current language/locale.</p> <p>CalEF can also process "ics" (or "vcs") files (i.e. from a calendar backup).</p> <h2>Requirements:</h2> <ul> <li>Android-4.4 (api 19) or later.</li> <li>Permissions : None</li> </ul> <h2>Compatible with</h2> <ul> <li><a href="https://f-droid.org/en/packages/ws.xsoh.etar">Etar-Calendar</a> version 1.0.29 or later (January 2022)</li> <li><a href="https://f-droid.org/packages/com.simplemobiletools.calendar.pro">Simple-Calendar</a> version 4.0.0 or later (May 2018)</li> <li>Buildin Android-Calender (Tested with android-10 on LG device)</li> <li>Backup <a href="https://f-droid.org/packages/org.sufficientlysecure.ical">Calendar Import-Export</a> version 2.4 or later (November 2016)</li> </ul>