Supplementary files are separate attachments that enhance or support your thesis and may include computer code, research data, audio or video files, and images or maps that are not part of the primary pdf.
Using best practices makes it easier for you to find, use, machine analyze, and ultimately upload your data to an online archive. It will also make it easier for your collaborators or other researchers not involved with the project to understand and use your data in the future.
Case Study: File Naming Done Well (pdf file) - examples of a methods to name files. File names can include study site, water depth, date, and more. Find Case Study example 2 at Name files - Data best practices and case studies - Guides at Stanford University.
Whenever possible use uncompressed, non-proprietary (open) formats.
For more guidance on appropriate formats, see the Library of Congress’ Recommended Formats Statement and Archivematica’s Format Policies for access and preservation.
Data can be more efficiently analyzed and better understood in the future if initially set up for a machine to read: