Modifying single occurrence from recurring series is not reflected in the data read from the Rest API

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When you create occurring event in Office365 Outlook and modify any single occurrence (edit occurrence) the change is never reflected in the data consumed from the REST API. Bot

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既然无缘

2021-01-22 09:11

Exceptions and occurrences aren't actually exposed in the Recurrence object. In order to see individual occurrences or exceptions, you need to use the CalendarView endpoint. This causes Exchange to expand recurring events for the time window specified, and it returns individual occurrences or exceptions. This is necessary because the individual occurrences/exceptions do not exist on the calendar as actual events, they are derived from the series master. If you just do a GET on /Me/Events, you never see them!

For example, I created a recurring event on my calendar, then I modified one occurrence to be at a different time (which makes it an exception).

Doing a GET on /Me/Events:

{
  "@odata.context": "https://outlook.office365.com/api/v1.0/$metadata#Me/Events",
  "value": [
    {
      "@odata.id": "https://outlook.office365.com/api/v1.0/Users('jason@johnstonian.onmicrosoft.com')/Events('AAMkADRmMDExYzhjLWYyNGMtNDZmMC1iZDU4LTRkMjk4YTdjMjU5OABGAAAAAABp4MZ-5xP3TJnNAPmjsRslBwAoPBSqxXQOT6tuE0pxCMrtAAAAAAENAAAoPBSqxXQOT6tuE0pxCMrtAAC5xYC1AAA=')",
      "@odata.etag": "W/\"KDwUqsV0Dk+rbhNKcQjK7QAAucdOPw==\"",
      "Id": "AAMkADRmMDExYzhjLWYyNGMtNDZmMC1iZDU4LTRkMjk4YTdjMjU5OABGAAAAAABp4MZ-5xP3TJnNAPmjsRslBwAoPBSqxXQOT6tuE0pxCMrtAAAAAAENAAAoPBSqxXQOT6tuE0pxCMrtAAC5xYC1AAA=",
      "ChangeKey": "KDwUqsV0Dk+rbhNKcQjK7QAAucdOPw==",
      "Categories": [],
      "DateTimeCreated": "2015-05-28T13:39:06.310974Z",
      "DateTimeLastModified": "2015-05-28T13:39:21.0300106Z",
      "Subject": "Exception test",
      "BodyPreview": "",
      "Body": {
        "ContentType": "HTML",
        "Content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<style type=\"text/css\" style=\"display:none;\"><!-- P {margin-top:0;margin-bottom:0;} --></style>\r\n</head>\r\n<body dir=\"ltr\">\r\n<div id=\"divtagdefaultwrapper\" style=\"font-size:12pt;color:#000000;background-color:#FFFFFF;font-family:Calibri,Arial,Helvetica,sans-serif;\">\r\n<p><br>\r\n</p>\r\n</div>\r\n</body>\r\n</html>\r\n"
      },
      "Importance": "Normal",
      "HasAttachments": false,
      "Start": "2015-05-28T20:00:00Z",
      "StartTimeZone": "Eastern Standard Time",
      "End": "2015-05-28T20:30:00Z",
      "EndTimeZone": "Eastern Standard Time",
      "Reminder": 15,
      "Location": {
        "DisplayName": "My Office",
        "Address": {
          "Street": "",
          "City": "",
          "State": "",
          "CountryOrRegion": "",
          "PostalCode": ""
        },
        "Coordinates": {
          "Accuracy": "NaN",
          "Altitude": "NaN",
          "AltitudeAccuracy": "NaN",
          "Latitude": "NaN",
          "Longitude": "NaN"
        }
      },
      "ResponseStatus": {
        "Response": "Organizer",
        "Time": "0001-01-01T00:00:00Z"
      },
      "ShowAs": "Busy",
      "IsAllDay": false,
      "IsCancelled": false,
      "IsOrganizer": true,
      "ResponseRequested": true,
      "Type": "SeriesMaster",
      "SeriesMasterId": null,
      "Attendees": [],
      "Recurrence": {
        "Pattern": {
          "Type": "Daily",
          "Interval": 1,
          "Month": 0,
          "Index": "First",
          "FirstDayOfWeek": "Sunday",
          "DayOfMonth": 0
        },
        "Range": {
          "Type": "EndDate",
          "StartDate": "2015-05-28T00:00:00-04:00",
          "EndDate": "2015-06-04T00:00:00-04:00",
          "NumberOfOccurrences": 0
        }
      },
      "Organizer": {
        "EmailAddress": {
          "Address": "jason@johnstonian.onmicrosoft.com",
          "Name": "Jason Johnston"
        }
      },
      "iCalUId": "040000008200E00074C5B7101A82E008000000006CACEEAA4B99D0010000000000000000100000009478C61D36C90847B5F3C126ACB0A17E",
      "WebLink": "https://outlook.office365.com/owa/?ItemID=AAMkADRmMDExYzhjLWYyNGMtNDZmMC1iZDU4LTRkMjk4YTdjMjU5OABGAAAAAABp4MZ%2F5xP3TJnNAPmjsRslBwAoPBSqxXQOT6tuE0pxCMrtAAAAAAENAAAoPBSqxXQOT6tuE0pxCMrtAAC5xYC1AAA%3D&exvsurl=1&viewmodel=ICalendarItemDetailsViewModelFactory"
    }
  ]
}

Doing a GET on /Me/CalendarView for the day on which the exception falls (note the "Type": "Exception" field):

GET /Me/CalendarView?startDateTime=2015-05-30T04:00:00Z&endDateTime=2015-05-31T04:00:00Z

{
  "@odata.id": "https://outlook.office365.com/api/v1.0/Users('jason@johnstonian.onmicrosoft.com')/Events('AAMkADRmMDExYzhjLWYyNGMtNDZmMC1iZDU4LTRkMjk4YTdjMjU5OAFRAAgI0miCtL1AAEYAAAAAaeDGf_cT90yZzQD5o7EbJQcAKDwUqsV0Dk_rbhNKcQjK7QAAAAABDQAAKDwUqsV0Dk_rbhNKcQjK7QAAucWAtQAAEA==')",
  "@odata.etag": "W/\"KDwUqsV0Dk+rbhNKcQjK7QAAucdOPw==\"",
  "Id": "AAMkADRmMDExYzhjLWYyNGMtNDZmMC1iZDU4LTRkMjk4YTdjMjU5OAFRAAgI0miCtL1AAEYAAAAAaeDGf_cT90yZzQD5o7EbJQcAKDwUqsV0Dk_rbhNKcQjK7QAAAAABDQAAKDwUqsV0Dk_rbhNKcQjK7QAAucWAtQAAEA==",
  "ChangeKey": "KDwUqsV0Dk+rbhNKcQjK7QAAucdOPw==",
  "Categories": [],
  "DateTimeCreated": "2015-05-28T13:39:20.9676251Z",
  "DateTimeLastModified": "2015-05-28T13:39:20.9676252Z",
  "Subject": "Exception test",
  "BodyPreview": "",
  "Body": {
    "ContentType": "HTML",
    "Content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<style type=\"text/css\" style=\"display:none;\"><!-- P {margin-top:0;margin-bottom:0;} --></style>\r\n</head>\r\n<body dir=\"ltr\">\r\n<div id=\"divtagdefaultwrapper\" style=\"font-size:12pt;color:#000000;background-color:#FFFFFF;font-family:Calibri,Arial,Helvetica,sans-serif;\">\r\n<p><br>\r\n</p>\r\n</div>\r\n</body>\r\n</html>\r\n"
  },
  "Importance": "Normal",
  "HasAttachments": false,
  "Start": "2015-05-30T20:30:00Z",
  "StartTimeZone": "Eastern Standard Time",
  "End": "2015-05-30T21:00:00Z",
  "EndTimeZone": "Eastern Standard Time",
  "Reminder": 15,
  "Location": {
    "DisplayName": "My Office",
    "Address": {
      "Street": "",
      "City": "",
      "State": "",
      "CountryOrRegion": "",
      "PostalCode": ""
    },
    "Coordinates": {
      "Accuracy": "NaN",
      "Altitude": "NaN",
      "AltitudeAccuracy": "NaN",
      "Latitude": "NaN",
      "Longitude": "NaN"
    }
  },
  "ResponseStatus": {
    "Response": "Organizer",
    "Time": "0001-01-01T00:00:00Z"
  },
  "ShowAs": "Busy",
  "IsAllDay": false,
  "IsCancelled": false,
  "IsOrganizer": true,
  "ResponseRequested": true,
  "Type": "Exception",
  "SeriesMasterId": "AAMkADRmMDExYzhjLWYyNGMtNDZmMC1iZDU4LTRkMjk4YTdjMjU5OABGAAAAAABp4MZ-5xP3TJnNAPmjsRslBwAoPBSqxXQOT6tuE0pxCMrtAAAAAAENAAAoPBSqxXQOT6tuE0pxCMrtAAC5xYC1AAA=",
  "Attendees": [],
  "Recurrence": null,
  "Organizer": {
    "EmailAddress": {
      "Address": "jason@johnstonian.onmicrosoft.com",
      "Name": "Jason Johnston"
    }
  },
  "iCalUId": "040000008200E00074C5B7101A82E00807DF051E6CACEEAA4B99D0010000000000000000100000009478C61D36C90847B5F3C126ACB0A17E",
  "WebLink": "https://outlook.office365.com/owa/?ItemID=AAMkADRmMDExYzhjLWYyNGMtNDZmMC1iZDU4LTRkMjk4YTdjMjU5OAFRAAgI0miCtL1AAEYAAAAAaeDGf%2BcT90yZzQD5o7EbJQcAKDwUqsV0Dk%2BrbhNKcQjK7QAAAAABDQAAKDwUqsV0Dk%2BrbhNKcQjK7QAAucWAtQAAEA%3D%3D&exvsurl=1&viewmodel=ICalendarItemDetailsViewModelFactory"
}

Also, this is a great forum for reporting issues directly to us. As long as your tagging with outlook-restapi, we'll see it! :)

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