4,590 questions with Microsoft 365 and Office | Development | Other tags

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1 answer One of the answers was accepted by the question author.

Microsoft Graph webhook subscription fails with TLS error when endpoint only accepts TLS 1.3

When creating a Microsoft Graph change notification subscription via POST /v1.0/subscriptions, the request fails with a TLS/SSL error during webhook URL validation: { "code": "ValidationError", "message":…

Microsoft 365 and Office | Development | Other
asked 2026-02-04T21:34:23.2566667+00:00
Divya Prakash 20 Reputation points
accepted 2026-02-05T19:30:49.01+00:00
Divya Prakash 20 Reputation points
1 answer

findMeeting REST API does not support shared mailbox?

I'm building a bot using the MS Outlook Calendar REST APIs. I have a case where my user who is an executive assistant wants to create a meeting in the delegate mailbox, she/he has access to. We are currently using findMeeting API to fetch the available…

Microsoft 365 and Office | Development | Other
asked 2026-02-05T14:29:03.96+00:00
Rashmi Ramakrishnan 0 Reputation points
edited the question 2026-02-05T15:05:57.71+00:00
Clover-L 0 Reputation points Microsoft External Staff Moderator
1 answer

Microsoft Graph all-day events return incorrect UTC start/end – organizer timezone not available

We are using Microsoft Graph API to read and update Outlook calendar events. Normal (non all-day) events work correctly, but we consistently face issues with ALL-DAY events. Scenario: Organizer mailbox timezone: IST (UTC+05:30) User creates: Normal…

Microsoft 365 and Office | Development | Other
asked 2026-02-04T13:14:27.04+00:00
Navnath Barde 20 Reputation points
commented 2026-02-05T13:06:24.32+00:00
Kudos-Ng 12,865 Reputation points Microsoft External Staff Moderator
1 answer

Is there a known compatibility issue between the latest Android 14 security update and the Microsoft Authentication Library (MSAL) used in Office Mobile apps?

I am experiencing a persistent synchronization failure across Office Mobile Apps (specifically Word and Excel) on Android 14. While the device has a stable internet connection and OneDrive is accessible via the web, the mobile apps fail to save changes…

Microsoft 365 and Office | Development | Other
asked 2026-02-05T03:06:04.22+00:00
Diermeier Lamaralus 160 Reputation points
edited an answer 2026-02-05T04:36:24.75+00:00
Teddie-D 11,675 Reputation points Microsoft External Staff Moderator
2 answers

Outlook Add in - Chrome update 142 causing CORS errors for Webmail Outlook

We have an add in application we've developed for all outlook versions, which has a separate url but connects to our main application. For the webmail outlook versions, with recent chrome versions we have been getting cors errors such as this: This…

Microsoft 365 and Office | Development | Other
asked 2026-02-04T19:45:45.85+00:00
Douglas Riggs 40 Reputation points
answered 2026-02-05T03:15:41.7166667+00:00
Teddie-D 11,675 Reputation points Microsoft External Staff Moderator
2 answers

Automate to send bulk Calendar invites through Outlook

Hi There, Here's the deal. For work I need to send out multiple calendar invites at a time (sometimes 30 different meetings in a week). The invitations contain mostly the same information (subject line, location, body of the email), but sometimes they…

Microsoft 365 and Office | Development | Other
Microsoft Security | Microsoft Graph
Outlook | Windows | Classic Outlook for Windows | For business
asked 2021-03-04T11:50:13.567+00:00
Nagarjuna Vijayagiri 6 Reputation points
commented 2026-02-04T12:55:56.6+00:00
Kumari V, Shwetha (S.) 0 Reputation points
2 answers

I have a problem with my outlook add-in, I put some buttons on the ribbon but they only show on the classic outlook, the new one and the web one don't show them.

I have a problem with my outlook add-in, I put some buttons on the ribbon but they only show on the classic outlook, the new one and the web one don't show them. This is the part of my unified manifest, I removed some parts of restricted data: …

Microsoft 365 and Office | Development | Other
asked 2026-01-31T19:50:50.86+00:00
Nathan Rosales 0 Reputation points
edited a comment 2026-02-02T14:59:55.1566667+00:00
Michelle-N 12,320 Reputation points Microsoft External Staff Moderator
4 answers

How to fix "The request was aborted: Could not create SSL/TLS secure channel" while fetching data from oDATA feed

Hi Team, we are trying to fetch oData feed from external data source which is exposed via secure rest endpoint using Microsoft excel 2016 we have added Server CA certificate Microsoft CA trust store and we tried fetch data but we are getting "The…

Microsoft 365 and Office | Development | Other
asked 2025-12-24T08:29:44.1766667+00:00
Ramesh Mandala 0 Reputation points
answered 2026-02-02T14:23:41.1533333+00:00
Michelle-N 12,320 Reputation points Microsoft External Staff Moderator
1 answer

Microsoft Graph: How to get Teams meeting ID when creating a calendar event

Hello Microsoft Team, I am working with Microsoft Graph to schedule Teams meetings, and I am facing an issue with obtaining the correct identifiers. When I create a calendar event using the Create Event API and enable it as an online meeting, the…

Microsoft 365 and Office | Development | Other
asked 2026-01-30T08:56:20.6866667+00:00
Rishabh Sarang 0 Reputation points
commented 2026-02-02T08:20:10.5966667+00:00
Michelle-N 12,320 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

How can I get a user’s calendar events from Microsoft Graph without hitting limits or missing data?

I’m calling the Microsoft Graph calendar events endpoint to read a user’s calendar, but I’m running into issues with large calendars, recurring meetings, and pagination. What’s the right way to query events by date range and handle paging or throttling…

Microsoft 365 and Office | Development | Other
asked 2026-01-28T10:32:11.9166667+00:00
Gilkey Nabil 65 Reputation points
edited an answer 2026-01-28T14:41:47.7333333+00:00
Dora-T 10,375 Reputation points Microsoft External Staff Moderator
0 answers

VSTO-based add-in cannot load after installing the latest Windows updates

We are developing a VSTO-based add-in for PowerPoint. We have two sites now where the add-in no longer loads in PowerPoint. After configuring VSTO to display the error messages, PowerPoint displays the error "The common language runtime could not be…

Microsoft 365 and Office | Development | Other
asked 2023-10-31T06:36:16.2366667+00:00
Dan Vasilov 5 Reputation points
commented 2026-01-26T13:10:48.1166667+00:00
Romain Miroux 5 Reputation points
2 answers

Request Id: <PII-removed> Correlation Id: <PII-removed> Timestamp: 2026-01-23T09:05:49Z Message: AADSTS900561: The endpoint only accepts POST requests. Received a GET request.

Request Id: <PII-removed> Correlation Id: <PII-removed> Timestamp: 2026-01-23T09:05:49Z Message: AADSTS900561: The endpoint only accepts POST requests. Received a GET request.

Microsoft 365 and Office | Development | Other
asked 2026-01-23T09:12:50.2466667+00:00
Gábor Dobos 0 Reputation points
commented 2026-01-26T10:47:27.24+00:00
Steven-N 19,845 Reputation points Microsoft External Staff Moderator
2 answers

Reset my phone number to developer account

Hello, I need assistance deleting my existing Microsoft 365 Developer Program profile. My phone number ending in XXXXXX3443 is currently locked to a Developer Program account that was originally created using my former work email at [Moderator note:…

Microsoft 365 and Office | Development | Other
asked 2026-01-25T19:00:08.66+00:00
John Kim 0 Reputation points
edited the question 2026-01-26T00:21:48.0833333+00:00
Michelle-N 12,320 Reputation points Microsoft External Staff Moderator
1 answer

How do I disable 'Block Public Access' in the power bi admin tenant settings

Does anyone know the key to disabling this so I can have a public facing PowerBI page? Thank you.

Microsoft 365 and Office | Development | Other
asked 2026-01-21T20:26:11.85+00:00
paul olofson 0 Reputation points
edited the question 2026-01-22T00:05:42.4633333+00:00
Austin-H 7,655 Reputation points Microsoft External Staff Moderator
2 answers

I dont see copilot in my outlook how to add it

I dont see copilot in my outlook how to add it ? please advise is there is a specific work around

Microsoft 365 and Office | Development | Other
asked 2026-01-20T07:32:45.4133333+00:00
Yechiel Gil [Brainserve] 0 Reputation points
commented 2026-01-21T09:26:27.5466667+00:00
Dora-T 10,375 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

How to evaluate checkboxes with one routine?

Referencing the screenshot below, I wanted to see how to make adjustments to the last checkbox (CLEAR ALL DATA). Scenario: If I initially choose "CLEAR ALL DATA," then all other checkboxes are checked. Then if I decided I want to uncheck one…

Microsoft 365 and Office | Development | Other
asked 2025-10-15T17:51:28.9533333+00:00
Les M 80 Reputation points
accepted 2026-01-20T12:02:34.1966667+00:00
Les M 80 Reputation points
2 answers

X-Unsent: 1 doesn't work on windows 11 and new outlook

Hello, I generate an eml file but the header X-Unsent doesn't work anymore on the new outlook version (windows 11). How can I specify the mail is a draft ? Sincerly

Windows for business | Windows Client for IT Pros | User experience | Other
Microsoft 365 and Office | Development | Other
Outlook | Windows | Classic Outlook for Windows | For business
asked 2024-04-05T14:29:07.5866667+00:00
AZKa 35 Reputation points
answered 2026-01-20T05:54:27.5166667+00:00
BradB 20 Reputation points
3 answers One of the answers was accepted by the question author.

retrieve all events for a given periode

Hello, im trying to use the api of graph explorer , my goal is to retrieve all events a user had given a certain periode ( 2025 year ) https://graph.microsoft.com/v1.0/me/calendarView?startDateTime=2025-01-12&endDateTime=2026-01-18 i tried to…

Microsoft 365 and Office | Development | Other
asked 2026-01-15T10:41:03.93+00:00
Sirine 40 Reputation points
edited a comment 2026-01-19T06:06:11.8833333+00:00
Flora-T 10,295 Reputation points Microsoft External Staff Moderator
1 answer

The email with an attached ICS file sent using Azure is not recognized as a calendar event by Outlook

During the process of sending an email using Azure's Java SDK, the observed phenomenon is that the ICS file sent via Azure is only recognized as an attachment, but it can be recognized as a calendar event and displayed correctly by other email…

Outlook | Windows | Classic Outlook for Windows | For business
Microsoft 365 and Office | Install, redeem, activate | For business | Windows
Microsoft 365 and Office | Development | Other
asked 2023-12-18T07:13:22.7333333+00:00
耀烽 郑 0 Reputation points
commented 2026-01-16T10:35:25.0766667+00:00
Felipe Carvalho 0 Reputation points
1 answer

Power Automate: Save error — “InvalidVariableInitialization” inside For each

Hi, I’m building a monthly workflow that pulls messages from a Teams channel, converts them to text, runs each through an AI Builder prompt, appends the results to a string, creates a file in OneDrive, and posts the summary back to Teams.…

Microsoft 365 and Office | Development | Other
asked 2026-01-14T16:43:47.8833333+00:00
Cui, Shanny 0 Reputation points
edited a comment 2026-01-16T06:41:37.26+00:00
Dora-T 10,375 Reputation points Microsoft External Staff Moderator