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Android and iOS Shared Calendar review

All android phones come with some type of calendar software. It's not likely to include an important feature - shared calendar.  This feature allows you to view calendars that others share with you. Microsoft Outlook for Windows has this feature built-in. 

After searching and testing different MS Exchange / Office 365 / Outlook compatible Android programs, I found one, called 9 Folders, that not only has this feature, works great, and has great reviews, it also syncs Contacts, Memos, and Tasks.

You can try this app for free for two weeks. Then if you want to keep using it, it's a one time fee of $14.99.

Note that the default setting is to not share calendars. To view your shared calendars, tap the menu at the top left, the settings icon (gear) at the bottom right, the account of the calendar under Account Settings, Calendar, then + to Add Shared Calendar.

To view your calendars, tap the menu at the top left, then the second from the left Calendar icon on the bottom.

I've found this program to be very stable, has more features than I had originally imagined, easy to use, and has a great interface.

Here are some of 9 Folders features:

  • Secure Sockets Layer(SSL)
  • Message encrypting(S/MIME)
  • Information Rights Management(IRM)
  • Global Address List(GAL)
  • Client Certificates
  • Direct Push Synchronization with Exchange ActiveSync. Nine does not have any server to store user's Nine data. Nine app connects to user server directly. All Nine data is stored in user device only.
  • Automatic setup for many popular email services like Office 365, Exchange Online, Hotmail,, Outlook, MSN or Google Apps
  • Hybrid Email Search(Integrate with fast local and online search)
  • Conversation Mode
  • Notes Sync(Exchange 2010 or higher)
  • Tasks Sync(Tasks, Reminder, Categories)
  • SMS sync(Exchange 2010 or higher)
  • Contacts sync(Categories, Ringtone)
  • Multiple email accounts
  • Calendar and Contacts(Integrated into stock Calendar and Contacts application along with Nine account)
  • Rich-Text Editor(Android KitKat or higher)
  • Full HTML WYSIWYG Editor
  • Favorite Folder(Be able to check out all of email messages including sub-folders in one special folder at a time)
  • Supports Android Wear (smart watch)
  • Great User Experience & Beautiful GUI
  • Full HTML(inbound, outbound)
  • Unread Badge(Nova Launcher, Apex Launcher, DashClock and Samsung & LG devices)
  • Widgets(Unread badge, Shortcuts and Email list)
  • Actions(Swipe, Notification)
  • Select folders to push (Email notification per each folder)
  • Supported Servers:


    Office 365

    Google Apps

    Other servers (IBM Notes Traveler, Groupwise, Kerio, Zimbra, Horde, IceWarp, MDaemon etc) supported Exchange ActiveSync.

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