
370 questions with Microsoft 365 and Office | Development | Microsoft 365 Developer Program tags
Unable to Link M365 Developer Account to Visual Studio Enterprise.
I have a Microsoft 365 developer subscription and I would like to link in to my Visual Studio account. When pressing on the link and choosing the Visual Studio Enterprise Account, I'm getting the following issue. Any help would be appreciated, Thank you.
Microsoft 365 and Office | Development | Microsoft 365 Developer Program

Unable to Create Microsoft 365 E5 Developer Sandbox – Error 41101
Hello, I am a registered member of the Microsoft 365 Developer Program and would like to create an instant sandbox for testing Business Central + Outlook + Copilot integration. However, when I try to set up the sandbox, I get the following error: The…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
I can't access to my onmicrosoft email due to MFA error
hi I have issue with my onmicrosoft account i cant access it's asking for MFA and showing error once i select my phone number so I can't signin Error Code: 399287 Kindly need ur support to resolve the issue
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
Request to delete Microsoft 365 Developer Program profile and release associated phone number due to inaccessible tenant
I enrolled in the Microsoft 365 Developer Program using my previous employer account, which led to the creation of a developer tenant under the domain *******, where I was the admin. The associated Microsoft 365 E5 Developer subscription has since been…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
M365 Developer Program Application Denied > Need Sandbox for Microsoft Graph API Development
I’m an independent IT consultant building automation solutions for clients, many of which rely on Microsoft 365 and Azure technologies. In previous roles, I had access to a Microsoft 365 work account for development. Now, as I grow my own business,…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
Cannot activate E5 Developer subscription — shows "You don't currently qualify"
Dear sir, I joined the Microsoft 365 Developer Program using my account (*****@gmail.com). However, I am seeing a message that I don't currently qualify for the E5 subscription. I'm planning to build an enterprise SharePoint integration app. Could you…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
Failure to send MFA SMS during sign-in with error code 399287
Hello, I'm trying to sign into my 365 developer account. I can successfully sign in to my Microsoft account, but then, I'm prompted to verify my identity. I reseted my phone recently but forgot to backup my authenticator so can't use my authenticator…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
Why didn't i join the Microsoft 365 Developer Program ?
I hope to join the Microsoft 365 Developer Program. I have completed and submitted the required form, and I have been waiting for approval, but nearly a day has passed and I still haven't been approved. Could you please check why my request has not been…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
My office365 admin account has been deleted
My office365 admin account has been deleted. What is the process to assign a current account with admin rights or create a new account with admin right. There are no other admin users on the tenant.
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
Need information on Graph API for MS O365 Message trace
According to this Microsoft Tech Community post, the "Reporting Webservice support to pull Message Trace data will also begin deprecating starting on September 1st, 2025."…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
Pin the table of content
Dear Microsoft, How can I pin the table of content in EDGE PDF to make it never auto hidden, this is so inconveninence How to configure it, or is it a bug ? Im tried to search everywhere but nothing can do? Thanks
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
Can we actually get contact info for Support in the Sandbox Program??? "Services Hub" is not working for requests.
Can we actually get contact info for Support in the Sandbox Program?? "Services Hub" is not working for support requests. Error I am facing is (with an account OTHER than the one writing this post): We can't continue with the signup process…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program

You don't current qualify for a Microsoft 365 Developer Program sandbox subscription
After registering as a 365 developer, the following content is displayed. How can I obtain the qualification,Thanks! Thank you for joining. You don't current qualify for a Microsoft 365 Developer Program sandbox subscription. For details about Developer…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
Microsoft 365 Management API webhook validation fails with domain, works with IP
Hello, We are having trouble setting up a webhook for the Microsoft 365 Management Activity API. We’re using an AWS Application Load Balancer (ALB) with a valid TLS certificate for our domain. The webhook endpoint is publicly accessible and works fine…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
Get shiftPreferences Bug Report
Get shiftPreferences is always returning. "createdDateTime": null, "lastModifiedDateTime": null, "lastModifiedBy": null,
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
How can I join Microsoft 365 Developer Program with a personal account?
I'm a .NET developer looking into M365 and copilot development and would like to get an M365 sandbox for development and certification purposes. I tried to signup using my personal account but I received a message that I am not qualified. It looks like…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
Can't access Dev Tenant
Hi there! I joined the Microsoft 365 Dev program and I can see the data in the dashboard to login: If I click on "Go to subscription and I try to login using my admin account I have this error: Not sure what the issue could be, I already tried to…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program

My microsoft365 develop account is can’t sigin
My microsoft365 develop account is can’t sign in ,because the device system used for 2FA verification is damaged, and I had no choice but to reinstall the system. My 2FA verifier is also lost, so I hope you can help me set up a new 2FA…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
Significant issues with the new outlook version
This message is intended to bring to Microsoft's attention the issues that many users, including myself, are reporting. This new version represents a significant downgrade from the previous one. Inability to rename folders, folders disappearing, etc.…
Microsoft 365 and Office | Development | Microsoft 365 Developer Program
How to fix 409 conflict issue in MS Bookings API
Hi, I'm trying to use the Microsoft Bookings API to create staff members, but I’m encountering a 409 Conflict error with the following response: { "statusCode": 409, "message": "A staff member already…