However, you could use a few options depending on the context:
General:
* Bundle: This is a general term for a collection of things tied or wrapped together.
* Set: This suggests a collection of items designed to be used together.
* Collection: This implies a group of items gathered together for a particular purpose.
More specific:
* Archive: This could be used for a collection of files stored together, often for long-term preservation.
* Stack: This is a good option if the files are literally stacked on top of each other.
Ultimately, the best collective noun for your files in a pack depends on what you want to emphasize.