1,614 questions with Microsoft 365 and Office | Development | Other tags

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I have 365 account. family member then shares her subscription sent the invite. when i click to join it says link not working and ask organiser to start sharing. the organiser account unable to share and states pending invite acceptance

I have 365 account. family member then shares her subscription and sent the invite. when i click to join it says link not working and ask organiser to start sharing. the organiser account unable to share and states pending invite acceptance. how to start…

Microsoft 365 and Office | Development | Other
asked 2025-07-09T11:41:30.1233333+00:00
Francesca Lee 0 Reputation points
0 answers

Power Platform Licensing API retruns 403 since 1st of July

Power Platform Question We have been using the fully documented API which was working before 1st of July, and has now stopped working and is throwing a 403. Nothing has changed with our SP permissions, all the other APIs documented in the same category…

Microsoft 365 and Office | Development | Other
asked 2025-07-09T11:14:14.5066667+00:00
faranak torabi 0 Reputation points
0 answers

Microsoft Graph API: ErrorItemNotFound when replying to sent email using /me/messages/{id}/reply

I'm trying to send a follow-up reply email on behalf of a Microsoft user using the Microsoft Graph API, but I’m encountering this error during the reply request: { "error": { "code": "ErrorItemNotFound", …

Microsoft 365 and Office | Development | Other
asked 2025-07-08T07:34:53.2333333+00:00
Nikita 20 Reputation points
0 answers

I want to decrypt a message using Azure.

We have O365 and Azure. We are receiving encrypted emails to a specific user. We want to use Azure to decrypt the email. Please let me know how you can help me do that.

Microsoft 365 and Office | Development | Other
asked 2025-07-02T19:46:56.52+00:00
Jeff Saint Fleur 0 Reputation points
edited the question 2025-07-03T07:49:07.7+00:00
Bhargavi Naragani 6,525 Reputation points Microsoft External Staff Moderator
0 answers

how to make Outlook 2021 the default

Child tag of Development selected because Outlook is not included in the drop-down list. This is Windows 11 with MSO 2021 installed. I have uninstalled "Mail and Calendar", and I have attempted to uninstall "Outlook (new)" -- although…

Microsoft 365 and Office | Development | Other
asked 2025-06-28T19:27:09.6066667+00:00
DJAnderson 0 Reputation points
0 answers

Booking IDs don't match

Using the Shared MS Bookings system and the MS Graph API I can get the events in the calendar made by the Bookings WebPage First call /{userId}/calendarview returns the events the event has and ID AAMkAGFjNTQ3Y......-wAABGREmKAAA= Then calling…

Microsoft 365 and Office | Development | Other
asked 2025-06-26T18:22:00.4066667+00:00
Barry Fawthrop 0 Reputation points
0 answers

Custom fields displayed on the booking homepage

My Job is enhancing the booking form by adding two new questions to collect the Job Title and Company Name. I’ve already added these fields under the customer information section within the relevant Booking service settings.        However, I’ve run into…

Microsoft 365 and Office | Development | Other
asked 2025-06-15T10:09:19.7033333+00:00
Zhanghan Huang 0 Reputation points
0 answers

Removing branch policy for one particular

We want to remove branch polices only for particular repo with out effecting other repos, is it possible. If yes how?

Microsoft 365 and Office | Development | Other
asked 2025-05-21T06:39:48.23+00:00
cbcv bvmn 0 Reputation points
0 answers

getComposeTypeAsync() fails when forwarding a meeting item from Sent Items in Outlook Desktop

I am developing an add-in for Outlook's send-time process that executes different operations based on the ComposeType. However, an issue is occurring with the getComposeTypeAsync() API during the ItemSend event. Problem Description An "An internal…

Microsoft 365 and Office | Development | Other
asked 2025-05-17T01:43:03.1633333+00:00
だるま 0 Reputation points
0 answers

0x800AC472 Exception happens when operating excel by interop COM

I build an asp.net website on windows server. One function of it is generating a report from an excel template. The version of Office is Office 2021. But when the function is executing, 0x800AC472 Exception always happens. The detail of the function is…

Microsoft 365 and Office | Development | Other
asked 2025-05-15T01:28:06.0266667+00:00
Gao, JunHu 0 Reputation points
edited the question 2025-05-15T01:29:21.41+00:00
Gao, JunHu 0 Reputation points
0 answers

can't set ChartType to XlChartType.xlBoxwhisker using excel interop.

I’m trying to create a Boxwhisker plot using the Excel interop. I get the error that the ChartType Value does not fall within the expected range. The Boxwhisker plot is only available in Excel V16. I make sure the version returned is 16.0. I’m able to…

Microsoft 365 and Office | Development | Other
asked 2025-05-09T14:01:22.03+00:00
Nicolas Crouzet 0 Reputation points
edited the question 2025-05-09T14:04:08.5233333+00:00
Nicolas Crouzet 0 Reputation points
0 answers

Office 365 Apps Displaying Blank Content for Files

The Office 365 apps on the desktop for a client are showing blank screens for PowerPoint, Word, and Excel files, as shown in the attached image. The files have been set to open with the correct applications, but the issue persists. Online and full…

Microsoft 365 and Office | Development | Other
asked 2025-05-07T02:56:56.11+00:00
Nisk 30 Reputation points
0 answers

Office-Addin-TaskPane-React Dependency Vulnerabilities

Dear Microsoft, For an Outlook add-in in our organisation we use 'Office-Addin-TaskPane-React'. Following dependencies listed in package.json and package-json.lock have security vulnerabilities: Security IssueComponentCVE-2025-27152axios :…

Microsoft 365 and Office | Development | Other
asked 2025-04-24T07:34:42.8666667+00:00
Kaufmann, Marc 0 Reputation points
0 answers

Is adding just a Hosts element as a child element under version 1.0 of VersionOverrides a valid way to prevent our addin from appearing in Outlook for Mac

By accident, we found that if we add a Hosts element as a child element of VersionOverrides version 1.0 in the manifest, it will prevent the addin from appearing in Outlook for Mac and classic Outlook for Windows. See below ... <VersionOverrides…

Microsoft 365 and Office | Development | Other
asked 2025-04-24T06:46:00.4933333+00:00
Mark 0 Reputation points
0 answers

makeEwsRequestAsync- 9020 error and mail item is null Officejs Outlook

Web View : mail item instead of 9020 GenericResponseError. Outlook Classic: mail item is null

Microsoft 365 and Office | Development | Other
asked 2025-04-22T09:52:41.4+00:00
Rahul Prajapati 0 Reputation points
edited the question 2025-04-22T09:53:24.4533333+00:00
Rahul Prajapati 0 Reputation points
0 answers

Outlook - Add-In - When removing an attachment from Draft email, then getting an error

When trying to remove an attachment from a draft email using the JS library for Outlook Add-in, I get can't delete attachments in Outlook error.

Microsoft 365 and Office | Development | Other
asked 2025-04-05T07:29:53.5333333+00:00
Kumaresan C 0 Reputation points
0 answers

i have a problem with retrieving accessToken from outlook context in custom add-in

I used to this code to retrieve access token but it not working now Also i tried to use this code from documentation: https://learn.microsoft.com/en-us/office/dev/add-ins/outlook/use-rest-api

Microsoft 365 and Office | Development | Other
asked 2025-03-31T11:21:04.5166667+00:00
dev 0 Reputation points
edited the question 2025-04-01T02:49:06.21+00:00
SokiGuo-MSFT 31,541 Reputation points Microsoft External Staff
0 answers

How to update Treemap chart XValues programmatically without losing information?

(Note: question originally posted here: https://answers.microsoft.com/en-us/msoffice/forum/all/how-to-update-treemap-chart-xvalues/487c4e1a-8e7c-43d9-9a83-2368a9d187f4) I am developping a C# VSTO add-in for PowerPoint. In this add-in, I have a feature…

Microsoft 365 and Office | Development | Other
asked 2025-03-31T06:31:11.0033333+00:00
Gradlon 0 Reputation points
edited the question 2025-03-31T07:23:41.76+00:00
Anonymous
0 answers

Hosting Requirements for Publishing an Excel Add-in on AppSource

Hello, I have developed an Excel Add-in and am looking to publish it on AppSource. However, I am having difficulty finding clear documentation regarding the hosting requirements for the add-in. The add-in that I developed has business logic and is not a…

Microsoft 365 and Office | Development | Other
asked 2025-03-28T10:09:05.1933333+00:00
Dávid 0 Reputation points
edited the question 2025-03-28T10:14:54.07+00:00
Dávid 0 Reputation points
0 answers

How to fix the visio plug-in (add-in) SEL.VisioDiagramExport.VISIO - SEL.VisioDiagramExport.VISIO

Name: SEL.VisioDiagramExport.VISIO - SEL.VisioDiagramExport.VISIO From: file:///C:/Users/venkata.balaiahgari/OneDrive - Balfour Beatty O365/Documents/visio/SDNNB-VISIO-plugin-v1.3.0.20824/SEL.VisioDiagramExport.VISIO.vsto ************** Exception Text…

Microsoft 365 and Office | Development | Other
asked 2025-03-27T15:16:53.5833333+00:00
Balaiahgari, Venkata 0 Reputation points
edited the question 2025-03-28T06:17:47.91+00:00
Emi Zhang-MSFT 30,046 Reputation points Microsoft External Staff