A BK1 is a backup file.
The BK1 file is created by the Autodesk range of products which includes the AutoCAD program. Files are initially created as BK files before being converted.
.bk1 File
Extension
Developer:
Autodesk
档案类别:
什么是 bk1 档案以及打开它的方法 - Autodesk Backup File
档案类别:
开发商:
Autodesk