This function lets you check the integrity/readability of your files, which is especially useful with less reliable media like DVDs and flash drives.
Create a file list with files that require testing.
Using the Explorer context menu:
Right-click on the selected file(s) and select TeraCopy...
Using Start Menu:
Press the Windows button and type TeraCopy.
Click the Source button and select Add file/folders...
Click the Test button to read all files from the disk and generate checksums.
Click the Save hash button to save the checksum file in the source directory.
To change from default MD5 to another hash method, click on the Options tab. To save this option permanently, click on the Save as Default button.
MD5 is the most commonly used method, use it if you want to pass .md5 files to other people or applications.
xxHash 3 and BLAKE3 are the less common, but faster hash methods.