WindowsmacOS

Where Does eM Client Store Mail Data?

eM Client database folder on Windows and Mac, plus the built in backup zips in Documents.

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eM Client keeps its mail database in an eM Client folder under Roaming AppData on Windows. Scheduled backups land separately as dated zips under Documents.

Use the in app backup for restores (Menu, Backup). Copying the live database by hand works only with the app fully closed.

Where eM Client stores this, by platform

Windows
%APPDATA%\eM Client

Holds mail_data.dat and friends. Automatic backup zips default to %USERPROFILE%\Documents\eM Client. Confirm under Menu, Settings, General, Backup.

macOS
~/Library/Application Support/eM Client

Same role as Windows. Exact path may vary by Mac build; check the in app backup settings page for the live location before copying.

Frequently asked questions

How do I move eM Client to a new PC?

Install eM Client, restore the latest backup zip from inside the app. Manual folder copies work too but must match versions.

Where are eM Client automatic backups?

Under Documents, eM Client as dated zips. Set count and frequency under Menu, Settings, General, Backup.

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