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Postbox Profile Data

Where does Postbox store my profile and emails?

This is handy to know if you want to manually back up your Postbox settings and the mail stored in Postbox.

macOS

~/Library/Application Support/Postbox

(In macOS the Library folder is hidden. To access it, Open the Finder, and hold the Option key while clicking on the Go menu at the top of the screen. "Library" will be one of the options.) 

Windows 7, 8 and 10

Users\username\AppData\Roaming\Postbox

(The AppData folder is folder is a hidden folder; to show hidden folders, open a Windows Explorer window and choose "Organize → Folder and Search Options → Folder Options → View (tab) → Show hidden files and folders".)