In VBA you can turn on calculation for formatting by using "EnableFormatConditionsCalculation". I suggest adding this same feature to the office-js Excel API so that we can turn on updates for formatting.

While applying the Consolidation option in excel, it shows as "Book 1" for all the consolidated sheets instead of a respective worksheet name.

Currently office.js does not provide an API for accessing Automatically Expend Table Option or other auto correct options for tables.
In VBscript you would use Application.AutoCorrect object. Having something like that would be very useful.

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Please add a feature to render html inside a shape similar to that of addTextBox can we get a addHtml feature so that we can save html styled content along with the document

In current version of Office JS, we are not able to disable resizing and moving of dynamically created Slicer.
This would be useful if we want to restrict user from moving the slicers.
Equivalent to VBA property , Slicer.DisableMoveResizeUI

Excel Add-In

Spreadsheets built for handling financial data need access to the corporate database. Presumably that is why capabilities are provided within Excel to define and execute SQL queries within the context of a workbook/worksheet.The role of an Add-in to provide a whole host of capabilities to the workbook author cannot be overstated. Yet OfficeJS Excel API seem to be lacking the ability to define, access, and execute the aforementioned queries. Are there any plans in the works to provide the capabilities?
The lack of this capability particularly affects 3rd party add-in providers who cannot otherwise access a customer's corporate database.

I am using Office.js API and javascript/react.js for an Excel Add-in and wants to perform an action (execute a function) when the active worksheet/workbook is saved by user.

When working on Excel Add-In, specifically with Data Validation lists, is it possible to retrieve the source of the list?

Most collection objects in the JavaScript API have a .getItemAt method. This allows you to access user-created objects without having to know how they're named. PivotTableCollection lacks this method.

Debugging on Mac is a pain.. The built-in safari tools are buggy and laggy. The only useful feature of volron.js is displaying console.log's.
I want a normal developer experience on Mac!

EmbeddedSession (https://docs.microsoft.com/en-us/javascript/api/office/officeextension.embeddedsession?view=common-js) is only supported for Visio (https://docs.microsoft.com/en-us/office/dev/add-ins/reference/overview/visio-javascript-reference-overview). We would like to be able to embed an Excel workbook on a public web page and be able to control it via Office.js.

You can embed Excel via the OneDrive embed > JavaScript configurator and control it using the very old JavaScript API (https://docs.microsoft.com/en-us/previous-versions/office/developer/sharepoint-2010/hh315812(v=office.14)), but that API lacks many key features of Office.js.

I have some confidential data in the excel. I just want to protect that data using office js.

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Bolu ile düzce illeri karışmaktadır. Sorunun çözümü halinde daha aktif olarak kullanılabileceklerdir.

I want to develop an iOS app with xcode. I need to use Excel-related functions. How should I do it?

Like inserting shapes in a worksheet it would be useful to insert pictures in a range/cell. The range/cell acts as an anchor.

Our Add-in deals dynamic server address so we need to update the manifest frequently. The only way to update the Add-in cache is to refresh and insert again, is it possible to do it in automation?