1Tree Pro: Disk Space Usage Analyzer

Key Features

• 1Tree Pro lets you quickly see all drives/directories/files size in 1 tree view, so as to let you to do the manual disk cleaning work easily.
• 1Tree Pro loads your local and network drives, folders and files with their sizes (sorted by size in descending order), and you can do some common operations for the checked resources in batch mode, such as Move to Recycle Bin, Permanently Delete and Move / Copy to Other Place.

Technical Specifications

• **Publisher:** 1tree.info
• **License:** Shareware
• **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
• **Last Updated:** October 15, 2025
• **Category:** Utilities / File Managers