Office 365 Calendar

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When I share a calendar with an internal Office 365 user updates to that calendar updates on the calendar appear almost instantly. But when I  share a calendar with an external Office 365 user, there seems to be a long delay before the external Office 365

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Hi there, yes, that is the expected behavior right now: sharing internally will sync changes instantly but cross-tenant is still periodic syncing (approximately every 3 h

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In Office 365, what is the best approach to calendars that are edited by few, but viewable by many?


Use cases: Company Holidays, Production Schedules, Training Opportunities

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No perfect option for this, sadly. Your choice is between a Public folder calendar, Group Calendar or calendar stored in a Shared/resource mailbox. Both have different li

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We are rolling out a feature update that enables shared calendars to sync to mobile phones. This update will make it possible to sync all your Office365 shared calendars to your mobile phone for any permission level (view, edit, or delegate permissions). 

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I have shared calendars showing up on the app widget that I have deleted.  I do not want to see these items but can not find a way to get rid of them.

@julia Is it possible to mute notifications from the other calendars. I have a person who is getting meeting reminders on their mobile from these other sync'd calendars. ... Read More



is there some possibility to turn off this feature? We have got problem in our company with Android users - they have synced everything in one calendar, so they ca

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How about shared contacts, will this apply to them as well? If so is them method to add them the same as the calendars?


We are loving the new shared calendar features, as we've discussed the past week.


Do you know if there are plans for similar functionality around using the mailbox

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Hi Calendar Community,


We have had reports this morning that shared calendars are not working when the iCloud add-in is enabled in the Outlook Windows client. Disabling the iCloud add-in fixes issue, and shared calendars work again. Both Monthly & Semi-

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and here is my post about it and some more details:




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Hi! I just wanted to make a suggestion that from time to time, we come across that if a user is removed from Exchange, the removed user stays in Calendar/Delegate for some other user. If that removed user was set to receive meeting copies, then anyone ema

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Thanks, Zaid! I have added this to our backlog.


Others in the community: please "like" Zaid's original post if this is something you have also hit.


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I would like to discuss the best way of sharing a personal calendar with your coworkers/team/department


We often get requests of a groups of people they want to share their personal calendar with each other. We used AD security groups for this (often mail

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Hi Bart, the best way to share availability to colleagues is to use the "My organization" user (previously known as Default user). This is the default level of permission... Read More