F3 program creates files that fill entire memory up. H2W files are 1GB each. The last file may be smaller to fill space left. If you find H2W file, you can delete it. However, if you run H2testw or F3...
F3 program creates files that fill entire memory up. H2W files are 1GB each. The last file may be smaller to fill space left. If you find H2W file, you can delete it. However, if you run H2testw or F3 again, new H2W file will be written.
To use H2testw, insert card. Open program. Select target. Choose volume. Click Write+Verify. After testing, program shows read/write speed and errors.
H2testw writes 1GB H2W files to fill a drive. H2W files support Windows only. H2testw works best with H2W files.
To open H2W file: Find and install program supporting H2W files. Double click file icon to open. System associates file with program automatically. H2testw supports H2W files on Windows.
If you know application to open H2W files on Mac, choose it. If not, search for “H2W viewer” or “read H2W files”.
H2W file tests read and write of drives. Generated by H2testw testing SD and USB. Safe to remove after testing.
To open H2W file, get appropriate software. Double click to open. If it does not open:
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H2testw