The .avi suffix indicates a video file format (Audio Video Interleave) popular in the 1990s and 2000s. It is common for private backups or old social media archives to use this naming convention (Name-Identifier-Format).
It could be an identifier used within a company or academic project. Kathy-cheow-01-avi
This structure (Name-Number-Extension) frequently corresponds to a video file, such as a video captured from a device (using an .avi container) or a creative project file. which follows a student named
"Student Frustrations with a Web-Based Distance Education Course" (2001/2015), which follows a student named Kathy-cheow-01-avi