: This is the date the file was created or the event took place (July 31, 2017).
: This is typically a unique ID number , often used by automated photo systems (like those at tourist attractions, theme parks, or cruise ships) or internal archival databases to catalog a specific session or order.
Based on the components of the filename, here is the most probable breakdown of its meaning: 16017 2017-07-31 Alice and Florence 2:2.zip
While this specific filename does not appear in public databases or social media posts, it follows the naming convention of several common platforms:
The specific file name likely refers to a archived digital record or a photo album from a specific event. : This is the date the file was
: This often denotes a ratio or a specific count (e.g., 2 out of 2 files or a 2:2 aspect ratio).
It could be a zip file from a personal cloud service (like Google Photos or Dropbox) where a user manually named a folder for archival. : This often denotes a ratio or a specific count (e
Providing more context about where you saw this name could help narrow down the source.
