Is WebAssembly supported?

[tadamcz]

After thoroughly searching the documentation, I still don't understand if Office JavaScript code can execute arbitrary WebAssembly (on the client side).

Is this possible? Does it depend on the platform (web browser, Excel Mac, Excel Windows)?

There is documentation about "Blazor WebAssembly" which suggests the fundamental capacity is there to run WebAssembly. But I am wondering if we can run arbitrary WebAssembly.

[tadamcz]

This is the page where I would expect this information to be mentioned: https://learn.microsoft.com/en-us/office/dev/add-ins/testing/runtimes

[AlexJerabek]

Hi @tadamcz,

Sorry for the delayed response. I believe WebAssembly is supported in all Office runtimes. Have you experienced evidence to the contrary?

Let me tag @emmasab to confirm details about the JavaScript-only runtime.