Dataset Open Access

OneDrive ZIP64 "total number of disks" equals 0 demo file

Johan van der Knijff

This is a test file that demonstrates a problem with faulty large ZIP files that are generated by the Microsoft OneDrive web client.  The value of the “total number of disks” field in the “zip64 end of central dir locator” for this file is set to 0 (zero). Since most reader tools expect a value of 1 for this field, this leads to various interoperability problems. A detailed discussion of this problem van be found in the following blog post:

Does Microsoft OneDrive export large ZIP files that are corrupt?

The ZIP file contains five 1-GB files, each of which is made up of null-bytes only.

Files (5.4 GB)
Name Size
onedrive-zip-test-zeros.zip
md5:7bff44ddb4ba1a8c776e18749eff7fe6
5.4 GB Download
131
34
views
downloads
All versions This version
Views 131131
Downloads 3434
Data volume 182.5 GB182.5 GB
Unique views 128128
Unique downloads 3131

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