When comparing BusyCal vs Microsoft Outlook, the Slant community recommends BusyCal for most people. In the question“What are the best calendar apps for Mac OS X?” BusyCal is ranked 7th while Microsoft Outlook is ranked 9th.
Ranked in these QuestionsQuestion Ranking
Pro Latteral bar
Pro Smart Filters
Create Smart Filters to display Calendar Sets, a custom view, or events that match a certain criteria with a single click.
Pro Custom Alarms and Snoozes
Alarms may displayed in the BusyCal Alarm Window or the Notification Center. Snooze alarms for any duration, including x minutes before start, Set default alarm intervals for new Events, To Dos, All-Day Events, and Birthdays & Anniversaries.
Pro Weather, Moon phases and Graphics
Display a live 10-day weather forecast and moon phases. Drag-n-drop images into your calendar with the Graphics palette. Customize event fonts, sizes, styles and colors.
Pro Custom number of days/weeks
You can customize the number of weeks shown per month, or days shown per week
Pro Integrated To Dos
To Dos can be displayed directly in your calendar and carry-forward until completed. To Dos in BusyCal are compatible and sync with the Reminders app on OS X and iOS.
Pro Great support and development team
Pro Good built-in calendar
The calendar includes agenda, day and three-day views.
Pro Quick swipe features
Microsoft Outlook comes with quick swipe features where users can quickly swipe the thread either from left (to schedule) or right (to delete or archive). Additionally, users can also customize the swipe actions to, for example, set swipe from left to archive or swipe from right to delete.
Pro Excellent notifications center calendar widget
Pro Good built-in contacts
In addition to showing contact information, the People section of Outlook can show all conversations you've had with a person. Moreover, if you're looking for someone that's not in your contact's list, but is in your company's or school's directory, Outlook can pull that information through integration with Global Address List (GAL).
Pro Helps prioritize email
The app will automatically attempt to figure out which emails are important to you and surface those. The priority emails will show up in your inbox in a tab called Focused, with other emails in a tab called Other. It aims to separate spam and promotional emails from the important emails.
Pro Integrates with Microsoft services
Pro Integrates with cloud storage services
Microsoft Outlook comes with built-in cloud storage browser allowing you to attach files directly from services such as Dropbox, Box, Google Drive or OneDrive to emails and directly open attached files without the need for the main cloud storage app.
Con Doesn't follow security guidelines
The app stores user information and credentials on outside servers which is a violation of ActiveSync password requirement policies. These security concerns have been enough of an issue that European Parliament has banned its members from using the app out of fear that it might lead to leaking sensitive information.