Vid1-9zip

: This often appears as a naming convention for the first video in a series or as part of a file fragment (e.g., .z01 or .001 ).

Do you have in your folder, or are you seeing an error message when trying to open one? VID1-9zip

: Locate the file ending simply in .zip . Opening this main file will usually trigger the extraction software to automatically pull data from the other numbered segments. : This often appears as a naming convention

: You can use the 9zip app mentioned in your query, or standard alternatives like 7-Zip or WinZip . VID1-9zip