I checked the file for any macros, objects, or controls but I couldn't find anything. The file with no apparent data is about 166k. I've tried running other excel files and they seem to run smoothly.

If you're not using a bundler then use a standalone version from a CDN. Each property of a JSON object should be described by an "entry" in the schema. The key of the entry should be the column's ...

You can embed a PDF file into a cell of an Excel worksheet and then use Excel's security features to lock the object. This allows you to take advantage of both technologies.

The labels aren’t necessary on this simple example, but when creating a UserForm for your own data, you’ll probably want to include them. When you do, Excel’s default names are usually adequate.