The filename "Tintinvcam" suggests two likely possibilities regarding the contents:
Practical lab procedures (step-by-step)
This file is part of a multipart archive named "Tintinvcam.7z", split into multiple parts for easier distribution. The ".001" extension indicates it's the first part of the archive. Tintinvcam.7z.001
This is the most haunting possibility. You have found Part 1 on a drive, but Parts 2 through 10 are corrupted or missing. The file is a remnant . Somewhere, a hard drive failed. A backup job was interrupted. A synchronization error occurred. Tintinvcam.7z.001