Hi @dolsondlacpas,
I'm here to answer your question about an MS Excel import to QuickBooks Desktop (QBDT).
Though it's possible to import MS Excel files to QBDT, what's available for this option are customers, vendors, items, and the Chart of Accounts. For the process of importing your employees to QBDT, I suggest you follow the steps shared by my peer @Michael K above. It's the first answer on this thread, located just below the Best Answer post.
To learn more about the process of the import and export of data in QBDT, see this article: Import and export data in QuickBooks Desktop. It lists all options available for you in the way of data imports and exports.
Let me know if you have other questions about your QBDT company, and I'll get back to you.