This is the official free, open-source tool. You can download it from the official site 7-zip.org.
Because "DBP265" is not a standard industry term, it likely refers to one of the following: DBP265.7z
For example: Is it for a database (like SQL or Oracle)? Is it a mod for a video game? Is it part of a programming assignment ? This is the official free, open-source tool
It could be a database backup (DBP often stands for D ata b ase P ackage) or a specific software build for a company or project. This is the official free