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Feel free to test this new alpha version:

• Faster copy, especially to/from network locations and with small files.
• Single tabbed interface for multiple file transfer operations.
• Copy files using elevated Windows Service and Volume Shadow Copy.
• Unlimited number of files, the internal file list stored on disk instead of memory.
• Create MD5 checksum filelist after copy.

Not present in this version: moving and deleting files, displaying/editing file list, overwriting files.

Download: newer version available.

Note: Temporarily removed auto-install of TeraCopy Windows service due to false alarms of antivirus software. If you want to try it, please run TeraCopyService.exe /install in Admin mode.

A new version of TeraCopy is currently being rewritten from scratch. The goal is to make it faster and more extensible. Planned features include:

• Unlimited number of files, keep file list on disk instead of memory.
• Immediate start of copying instead of waiting for calculation of total files size.
• Verify copied files with MD5/SHA-1 instead of CRC32, option to create .md5/.sha file list.
• Show file list as browsable folders, show only failed files.
• One window for multiple file transfer operations.
• “Save bandwidth” mode

TeraCopy 3 beta is expected to be released early next year.

Update from December 7:

The new copy engine is ready and shows a good speed with both large and small files. Testing was done with a single 8 Gb file and 9 000 small files (300kb in size). In both cases speed was on a par or slightly faster than in Windows copy. MD5 hash calculation was on during the large file copy. Small files copying speed improved a lot after disabling Windows Defender.

Update from December 12:

TeraCopy now can avoid UAC prompts while reading files usually requiring elevation. This will eliminate possible ‘access denied’ errors in a middle of the copy process. For security reasons this feature will be available only to non-elevated administrators, users with a ‘standard account’ will still be required to start TeraCopy with admin privileges.

Update from December 17:

Copying using Volume Shadow Service is ready. Used usually in backup applications, it allows you to copy files locked by other applications.