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Questions tagged [microsoft-graph-calendar]

Microsoft Graph Calendar refers to the Outlook Calendar APIs in Microsoft Graph. This tag should always be used in conjunction with the [microsoft-graph] tag.

408 questions
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Microsoft Graph API creating recurring event returns 500

I'm writing an app that synchronizes with Office365's events using the Microsoft Graph API v1.0. When creating a single event, the event gets created as expected: Response Status Code: 201 Created Request URL:…
Eduard
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How to get correct attendee response statuses from an event with microsoft graph API?

So I've been playing around with the Microsoft Graph API and building an application that fetches and displays in some way the calendar data. I seem to have encountered one inconsistency though, the response status of an attendee in the Event is…
Esser420
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Unable to update event Beta endpoint

I have created an app with all the needed permissions. I can create an event using beta endpoint: https://graph.microsoft.com/beta/users/xyz@test.com/calendars/XXX/events/YYY But I'm getting an error when I attempt to update it: { "code":…
Vivek Chauhan
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How to check an Outlook custom property is available via Microsoft Graph

I added a custom property to an Event using an office.js add-in. I tried to get that custom property's value using https://graph.microsoft.com/v1.0/me/events/AQMkADU2OWFjYTF..AAAA==?singleValueExtendedProperties($filter=id eq 'String…
DevÁsith
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How to batch delete events in Office365 using C# Graph SDK

I have a method that deletes multiple events. Currently the code is as following: public async Task DeleteEvents(IEnumerable eventExternalIds) { foreach(var eventExternalId in eventExternalIds) { await…
Andrey
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findMeetingTimes API Permissions Issues

I have been trying to access findMeetingTime API but everytime I try to do it, I get an error.My App has the permission (delegated) allowed. I am confused about things below and what does it mean by application now supported Permission type…
MLP
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How to retrieve exceptions of recurring event (custom and deleted occurrences)?

If I use the List event instances call like this ({{ccc}} are Postman variables): https://graph.microsoft.com/v1.0/users/{{UserID}}/calendar/events/{{RecurrEventID}}/instances?startDateTime={{start_datetime}} &endDateTime={{end_datetime}} ... I get…
Jan Doggen
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MSAL.NET acquire access token using windows credentials

We have a hybrid Active Directory scenario - an on premises Active Directory server synced with an Azure AD tenant. We are in the process of migrating our on premise Exchange email accounts to 365. We have a SPA (JavaScript) that displays calendar…
datahandler
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How get free/busy slots of outlook Sub calendars, Image attached for reference

I'm using Microsoft get/free busy https://learn.microsoft.com/en-us/graph/outlook-get-free-busy-schedule API to get busy slots in the calendar but it only gives me slots for the main calendar. I need to find sub-calender slots too. Anyone, please…
Muhammad Shehryar
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Events on Calendars in Microsoft Graph is always null?

I'm trying to access the events of the users that shared their calendars with me. This is the code: GraphServiceClient graphClient = new(new AzureAuthenticationProvider()); IUserCalendarsCollectionPage calendar = ( …
Daniel
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Create an online event using Microsoft Graph that links to an existing Teams meeting

I know it is possible to create an online event through Microsoft Graph. What I want to do is create an event, mark it as online, but point it to an existing Microsoft Teams meeting, not create a new one. I've tried settings IsOnlineMeeting and…
David Gardiner
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Microsoft Graph list group events using Application Permission

Is there any way to get an office 365s group's events using the application credentials instead of the delegated work or school account? I have been tasked with gathering group events from two tenants with different users and putting all these…
Bryan Dellinger
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How to fetch calendar events for a user using Microsoft Graph API with java

I wish to connect a personal Microsoft account(xyz@hotmail.com) to an App and then fetch the calendar events for that account using the App. I have registered the app in Aure portal and I am able to fetch the events using Postman. This is what my…
Nikhil
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Dismissing Outlook reminders triggers MS Graph API event change notification and ChangeKey change, any way to avoid?

My app keeps track of users' calendar events via Microsoft Graph API. My database records each synced event's ChangeKey, which helps my app determine whether a event has changed and should be processed by business logic. I also subscribe to the…
thankyoussd
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Microsoft Graph API (Calendar) Intermittent 503 Errors

This code sometimes works, but frequently runs for ~20s then fails with the "503 Service Unavailable" message when I call getPage(). The authentication/token request seems to be working fine. I can't seem to identify any pattern of when it…
Nick
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