The extension .7z.001 indicates that a large file—likely related to "teddybears"—was broken into multiple smaller pieces using the 7-Zip compression utility to make it easier to share or download.
From Winnie-the-Pooh to Paddington, exploring how teddy bears became a staple of children's literature and film. teddybears.7z.001
.7z is the archive format, and .001 identifies this as the first volume. The extension