Categories News Review STR File – What It Is, How to Open & Convert It | File-Extension.info Post author By Mike Nova Post date September 7, 2026 A STR file in the dBASE database world is a structure list object – a small metadata file that defines the column layout (field names, types, widths) for a companion .dbf table. Open it in dBASE PLUS or a dBASE-compatible DBF utility.