1. anon(8657436)'s Avatar
    Open calendar.live.com.
    Sign in and then go to options from the top right. In the new page there will be a list of available calendars.
    Click on birthday calendar and then select delete from the top. Now go to your phone and sync your MS account manually in email+accounts.
    Now check your phone to make sure only facebook birthdays are showing (if you have them enabled).
    If it is so, disable facebook birthdays and again go to calendar.live.com and then click on dropdown button next to "New" on top left and select "Birthday Calendar". A new calendar is generated. Now sync your phone again and all it well.

    PS: There's a design "limitation" (because it's just the way facebook implements it's calendars) in this system. Even if your facebook contact and the associated contact have the same name, they don't merge into a single birthday.

    How I figured this out is pretty interesting. I looked up FAQ and found how birthdays are added and how they are removed. There were manual methods described and also stated some ways in which they may be automatically generated. The automatic generation happens when a you add a contact, add a birthday to a contact, add facebook to your phone and similar things. So the multiple birthdays are maybe generated due to a phone reset which causes new instances of contacts to be created (remember that when you reset your phone, facebook is not integrated when your MS account syncs) and hence duplicate birthdays.

    Last edited by Ashhar Hasan; 05-14-2014 at 03:41 AM. Reason: removed personal email address
    05-13-2014 04:08 PM
  2. anon(7900571)'s Avatar
    Thanks for sharing it with us.
    05-13-2014 09:01 PM
  3. Brick440's Avatar
    Worked like a charm, thank you very much for sharing!
    06-13-2014 05:19 PM
  4. Jaskys's Avatar
    I fixed it myself recently, it was quite annoying

    But it wasn't a problem in WP8, i wonder what did they **** up this time
    06-13-2014 05:22 PM
  5. tunrip's Avatar
    Excellent, thanks for the tip. The important part for me was simply to untick the Facebook birthdays. These seem to have been adding up to two birthdays for the same person!
    10-14-2014 06:13 AM
  6. indieimprint's Avatar
    I have duplicate Facebook birthdays/events in my calendar (2, sometimes 3). How to fix that problem? calendar.live.com does not allow me to delete.
    12-29-2014 01:07 PM
  7. Zakriel's Avatar
    Thanks for this!
    12-30-2014 12:06 AM
  8. anon(8773273)'s Avatar
    This worked perfectly, thanks
    05-10-2016 07:44 PM

Similar Threads

  1. Duplicate people
    By rockstar1971 in forum Other Operating Systems
    Replies: 1
    Last Post: 05-13-2014, 07:01 PM
  2. This is where Microsoft Specialty Stores are opening this week in the US
    By WindowsCentral.com in forum Windows Central News Discussion & Contests
    Replies: 0
    Last Post: 05-13-2014, 12:42 PM
  3. How To Change Relatives in Cortana
    By Valiant Lumia 720 in forum Windows 10
    Replies: 1
    Last Post: 05-13-2014, 11:53 AM
  4. Netflix and HBO Go to be decoupled from Xbox Live in June
    By WindowsCentral.com in forum Windows Central News Discussion & Contests
    Replies: 0
    Last Post: 05-13-2014, 11:20 AM
  5. Bing Layout Changed in UK
    By kalo88 in forum Bing
    Replies: 1
    Last Post: 05-13-2014, 11:18 AM