How do I upload multiple files in LMS?
Only one file can be uploaded at a time. If you would like people to upload multiple files at once, they will need to create a zip file to upload. A zip file is a folder containing multiple files that has been “zipped” or compressed into one file. Here is a resource on how to make a zip file on a pc and mac.
How do I select multiple files to upload in HTML?
Tip: For <input type="file"> : To select multiple files, hold down the CTRL or SHIFT key while selecting.