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Questions tagged [excel-web-addins]

212 questions
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How to get a base 64 string or byte data of the current excel file, in the excel web addin?

I am working on an excel web addin wherein I need the base 64 content or byte data of the currently opened file. Is there any way to get it using javascript/C#. I am creating it using visual studio. This excel is located on my onedrive account.
Asmi
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Excel Web Addin not reflcecting any changes using Visual studio

I am creating an Excel web addin using Visual studio, but when I am making any changes (adding any button or hiding an element) to my .html or .js they are not reflecting in excel or DOM Explorer files. I tried clearing cache, browser history.…
Asmi
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I cant save my changes to my code in excel web add in (javascript)

I create an excel web add-in project using Visual studio 2019; now I make some changes in parser.js a js file in the project,then press F5 to debug,when I step into the code in parser.js,I found it actually run the code in the "parser.js[dynamic]"…
HandsomeLeo94
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Deploy Office Add-In through O365 Admin Center

I have deployed an Office Add-in and uploaded through the O365 Admin Center The Add-In appears in the Excel Ribbon but can use it as a message appears “We could not open the Add-In from LocalHost. Should I modify anything in the Manifest File? The…
José Santos
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how to create the custom function in angular for officejs

I am using officejs to build excel addin. I have created the task pane application using Angular 8. Now i want to create custom function which will use most of the functionality implemented in taskpane. can I use the same taskpane application to…
shyam_
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How to Programatically Enable Non XLSM/XLAM/COM Excel Addin?

A bit of context. I have 4 addins that I've created which are used internally on our team. They share a ribbon namespace so they can interact with each other on the custom ribbons. It works pretty well for my level of knowledge. They are XLAM…
Peter
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Can Excel accept a callback from a Web API with a javascript Office Add-in with a Websocket?

I've been asked to call a certain Web API from Excel VBA to do a certain task. I was given a sample call to work with. This is for a propietary Web API for the organization so I don't think it's going to help to post the code here. I was getting an…
Greg Lovern
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How to create/read/delete a "very hidden" named item (Excel Office JS)

Is it possible to create, read or delete a hidden named item in the Name Manager in Excel using Excel Office JS? I am aware that it is possible to create a very hidden sheet, so I am wondering if the same thing is possible with named items.
Marko Cubic
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Testing Custom Functions

After building a project and installing all the required dependencies, uploading the manifest of an Excel custom function over excel-web produces an error. The excel custom function is a yeoman generated office add-in which has custom functions…
Ruturaj Maggirwar
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How to use Microsoft add-in in google sheet

I have created an add-in for excel. It's working fine for excel sheet. I want to use my add-ins in google sheet. I am not getting any idea about how to use add-in into google sheet. Can anyone tell me that how to use add-in in google sheet. If any…
Shiv Yadav
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Office.addin.hide APIis not working for Excel and powerpoint Add-ins

I have followed the article . https://learn.microsoft.com/en-us/office/dev/add-ins/develop/show-hide-add-in When calling API Office.addin.hide() it gives below exception for Excel and PowerPoint . RichApi.Error: Sys.InvalidOperationException: The…
Prithavi raj
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Change functionality of Microsoft officejs

I have developed an Excel add-in project. I want to change some actions in my Excel add-in. I would like to restrict users from being able to resize the add-in task pane. I would like to remove the personality menu from my add-in. It is possible to…
Shiv Yadav
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Excel Javascript Office JS Task Pane: Create Table and Dynamic refresh the table data on Refresh All/Next Time load

i have created the Excel table called 'subjectHubTable', where the data came ti this EXCEL context through a API endpoint. const addSubjectIntoSheet = async () => { const allSubjects = await hubReportService.getAllSubjects(); const…
Arun N
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Creating Custom tab in Excel by JavaScript (json format)

Office.onReady(async() => { // If needed, Office.js is ready to be called const contextualTabJSON = `{ "actions": [ { "id": "executeWriteData", "type": "ExecuteFunction", "functionName": "writeData" } …
Vikash Choudhary
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Is there a way to get selected worksheets?

In the Office-JS library, it is possible to get all the worksheets in a workbook. It is also possible to get one specific worksheet. Is it possible to get the selected worksheets in a workbook?
Sam Diaz
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