It is a standard Zip archive , a compressed file format used to group multiple items into a single, smaller file for easier sharing or storage.
Because "Photos-001.zip" is such a generic name, it is a common mask for . Photos-001zip
When you export your data from Google Photos, the service often names the resulting zip files in a numbered sequence, such as Photos-001.zip , Photos-002.zip , etc. It is a standard Zip archive , a