Viewer shows all events for specified date. Viewer is displayed only on these 3 occasions:

1) On every Windows boot (only if there are events for today). If you set Viewer in Config to 0 (boot message timer), then Viewer will not hide until you click on OK button. If you set it to any other value, Viewer will hide automatically after that number of seconds.

2) If you click on Today button in Calendar or Today menu item in tray icon menu

3) If you click on any day in Calendar that has events

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