Part1zip -

To access the contents, you need in the series. If one part is missing, the file won't open. How to Extract "PART1.zip"

Have you ever downloaded a large file only to find it split into several pieces like PART1.zip , PART2.zip , and so on? It can be confusing if you’ve never dealt with multi-part archives before. Today, we’re breaking down what these files are and how to put them back together. What is a Multi-Part Zip File? PART1zip

If one is named differently, your extraction tool might not recognize that they belong together! To access the contents, you need in the series