Iterate through a Google Drive folder of Microsoft Excel files and convert them into individual Google Sheet files.
The following Google Apps Script is designed to iterate through a Google Drive folder of Microsoft Excel files and convert them all to individual Google Sheet files.
Source: The Gift of Script: Bulk convert Excel files to Google Sheet files
I use Google Apps Script to support staff and students in my job. I enjoy dabbling with creating tools to help with automation and I freely share my learning experiences on my blog, where I also have a number of useful Google Add-ons: www.pbainbridge.co.uk