I think I figured out why this failed on occasion for me. It's when the iCloud Drive app hasn't yet downloaded the file but it's passing it to the app anyway. I don't know why iCloud Drive would do that, but that seems to be the only case that's failing.
The Technical Specifications Summary and technical documentation (see above) provide information about the format of the files. We suggest reviewing the Technical Specifications Summary and technical documentation before downloading the electronic records files. Depending on your browser, the option to save files identified as download only may appear as "Do you want to open or save this file?", "You have chosen to open:" or "Save As". We recommend you save the file to your computer and then open the file using the appropriate software available to you. If given the option, we suggest saving files that do not have a contemporary standard file extension as "All Files."
For series or files where the agency transferred code lists or other documentation in a database or other manipulable format, those files are available for downloading along with the other technical documentation files. In some cases, there are data files that also serve as code lists. These files may be listed as electronic records files instead of technical documentation files.
While this ransomware attack was directed against Techlicious through site comments, I can easily see the same attack method being attempted through email [EDITOR'S NOTE 5/13/21: readers are reporting in the comments below that the hackers are submitting these attacks through site Contact Us forms, as well.]. So it's an important reminder to be especially cautious when downloading any files from unknown third-parties or sites, and never try to open any file with an extension of .js or .exe unless you know exactly what it is and where it came from. To learn more, read our 5 tips to protect yourself against ransomware. You can also report the malware page to Google's malware reporting tool.
Repeat instances of prohibited behaviors may result in the issuance of a warning letter up to a possible temporary suspension of service. In some cases, due to the severity of the situation and its impact on our ability to provide service, suspension may be immediate or we may refuse service while we work to resolve the concern. 2b1af7f3a8