If you are creating such a file, keep these standards in mind to ensure compatibility: Part 11, Electronic Records; Electronic Signatures - FDA
When large datasets are compressed, they are often split into smaller "parts" to meet size limits for email or cloud storage. part 11 - 12.zip
"part 11 - 12.zip" often implies this is the 11th or 12th segment of a larger file set. If you are creating such a file, keep
A file named might be a package containing: part 11 - 12.zip