Arthur’s heart beat a little faster. This was no longer a chore. It was archaeology.

He downloaded the file. Windows 7 gave him a security warning— Unknown publisher. Do you trust this file? —and for a moment, Arthur felt like Indiana Jones staring at a booby trap. He pressed Yes .

A list of .crx files appeared, like fossils in sedimentary rock. Version 4.0 (requires Win10). Version 3.5 (broken sync). And there, third from the bottom: gmail-offline-3.2.crx . Last modified: October 12, 2019.

“Support for Windows 7 ended in 2020.” “Google Chrome will no longer receive updates on this OS.” “For security reasons, Gmail offline setup is not recommended.”