Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
4,705 questions with Microsoft 365 and Office | Development | Other tags
After installation of KB5094126 the Word integration over COM fails
After installing Windows Update KB5094126 (June 2026), our application fails when opening Word via COM automation. Error: HRESULT 0x80020005 (DISP_E_TYPEMISMATCH) Type mismatch Happens during Documents.Open() (IDispatch call) Fully reproducible …
Microsoft 365 and Office | Development | Other
WOPI-Test doesn't works anymore?
Hi, I successfully implemented and got WOPI approved a few years ago. Nowadays the application works as expected, but when I open the WOPI test page, I see an error in the console and the test does not work. Uncaught ReferenceError: g_TestGroups is not…
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
Is there a supported API to read which rooms/shared calendars a user has added in Outlook's calendar list? (web add-in / Graph)?
The question: In new Outlook / Outlook on the web, the calendar sidebar shows the rooms and shared calendars the user has chosen to open (the "Rooms" section etc.). I'm building an Outlook web add-in and want to read that same list through a…
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
what is a power automate solution
it was suggested that I should use allocate flows to a solution. What is a power automate solution?
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
Playground environment issue
My workspace was deleted due to non-extension, and I reapplied for access last month. However, I still haven't received access. please advise on the next steps?
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
Search Accuracy of Microsoft Graph Search API
Hi Team, We are currently building a system where in we want to find and export document from across M365 ecosystem (Mail, Teams, Sharepoint and Onedrive) based on natural language search from users. We are using AI agent to convert the natural language…
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
Options for testing against the MS Graph API and email
I have a Visual Studio "Professional monthly" subscription. It isn't the Visual Studio "Professional standard" subscription with Azure access. We have an application that we need to test against the MS Graph API to read emails. What…
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
Server-side filtering options for Microsoft Graph webhook notifications
Hi Team, I am using Microsoft Graph webhook subscriptions to receive Outlook mail change notifications. Currently, I understand that subscriptions can be created on resources such as /users/{id}/messages or specific mail folders, but I have not found a…
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
We are experiencing an issue specifically with PowerPoint Online editing through WOPI. For the first time able to edit the ppt file but next time when try to open the same document it is not opening.
Issue Summary We are experiencing an issue specifically with PowerPoint Online editing through WOPI. First Open (Edit Mode) When a user opens a PowerPoint document in edit mode for the first time: CheckFileInfo is called. GetFile is called. LOCK is…
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
all files are gone
all files are gone overnight have no idea what happens , u said it should be solved yesterday
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
OneNote Graph API: lastModifiedDateTime returned identical to createdDateTime after page edits (regression)
We are seeing a regression in the Microsoft Graph OneNote API where lastModifiedDateTime on a page entity is returned identical to createdDateTime (same instant, to the second) even after the user has made multiple edits to the page. This started a few…
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
Time acting up from Power Automate to Dynamics 365
I have a Power Automate flow that automatically adds cases to my dynamics crm. Currently there are issues where, the time format is mix matched. This is the second time that it is happening. What exactly is happening? Are there updates or so? The flow…
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
Filter Microsoft Graph Webhook Subscription by Email Subject Prefix
I am working with Microsoft Graph webhooks for Outlook mail and would like to know if it’s possible to filter notifications at the subscription level based on the email subject. Requirement I only want my system to receive webhook notifications for…
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
"An update is required for this add-in" where Update Now button does nothing
Hi, We recently updated our Microsoft Word Add-In from version 2.6 to 2.8 using the XML manifest. We didn't modify anything else about the manifest. Most users were automatically updated with no action required. However, one user posted a screenshot…
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
How to disable smart look up in One Note
Does somebody knows how to disable that button in the OneNote App from Office? Let me know below.
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
Office 365 add-ins problem
Office Add-ins cannot be installed in desktop Office on Windows or macOS using my Microsoft account. The Add-ins Store opens normally. Installation works in Office on the web. The issue follows the account across multiple devices and operating systems.…
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
Question regarding OneNote MCP
Hi Microsoft Graph / OneNote team, I'm evaluating Model Context Protocol (MCP) integrations for OneNote on behalf of an enterprise team, and I'd like to understand Microsoft's plans in this area. Context on what's available today: Anthropic's…
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
Unified tenant configuration management snapshot/backup
Im trying to create a snapshot/ config backup using the shiny new Unified Tenant Configuration Management UTCM functionality that is in GA worldwide. https://learn.microsoft.com/en-us/graph/unified-tenant-configuration-management-concept-overview I cant…
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
How do I get rid of or disable Copilot in all Microsoft 365 programs?
I cannot abide the distraction that Copilot entails. Hence I want to know how do get rid of or disable or at least hide the annoying icon that pops up in the Microsoft 365 programs?
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.
Outlook Webhook Subscription Renewal - 503 ServiceUnavailable Error
Hello Team, While renewing Outlook webhook subscriptions through Microsoft Graph API, we received a 503 ServiceUnavailable error in our production environment. Error Details: { "error": { "code": "ExtensionError", …
Microsoft 365 and Office | Development | Other
Building custom solutions that extend, automate, and integrate Microsoft 365 apps.