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Correct answer try67

.do files are used by Java web-applets. This means that the web-site is sending you the wrong file to download, or uses the wrong file-extension.

Try renaming it from *.do to *.pdf on your local computer. If you still can't open it report the issue to the web-admin of that site and ask them to solve the problem on their end.

2 replies

try67
Community Expert
try67Community ExpertCorrect answer
Community Expert
March 4, 2016

.do files are used by Java web-applets. This means that the web-site is sending you the wrong file to download, or uses the wrong file-extension.

Try renaming it from *.do to *.pdf on your local computer. If you still can't open it report the issue to the web-admin of that site and ask them to solve the problem on their end.

Bernd Alheit
Community Expert
Community Expert
March 4, 2016

Adobe Acrobat doesn't support .do format.

Participant
March 4, 2016

Duh !!