OR, to download Yahrzeit + Anniversary calendar, navigate to.to download holidays and candle-lighting times, navigate to.Open a web browser on your Microsoft Windows computer.If you plan to sync Outlook with a BlackBerry, consider using the old-style Outlook CSV instructions instead. This method is preferred for newer versions, e.g. The calendar appears as an “overlay” and can be managed separately from your main calendar. This technique uses Outlook’s “Internet Calendar Subscription” feature which keeps a separate calendar from your primary calendar. Follow these instructions to add a Hebcal Jewish holiday calendar 5-year feed to newer versions of Microsoft Outlook.