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A pdf document was emailed to me as a zip file. &nbsp;The extension of the zip file was zi_<br />
I had to rename it to .zip before unzipping it.<br />
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Why didn't the attachment come in as .zip
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A pdf document was emailed to me as a zip file.  The extension of the zip file was zi_
I had to rename it to .zip before unzipping it.

Why didn't the attachment come in as .zip

Why wasn't the zip file emailed with .zip extension ?

Windows 7 is an operating system from Microsoft. Features include multi-touch support, a redesigned Windows Shell with a new taskbar, referred to as the Superbar, a home networking system called HomeGroup, and performance improvements.