Where does MultiBit keep its data directory? Where does MultiBit keep its data directory? What is the wallet inside called?
Windows
Type %APPDATA%\MultiBit into the address bar of File Explorer.
If that doesn't work, try

Windows XP: C:\Documents and Settings\&lt;your name&gt;\Application Data\Bitcoin
Windows Vista and later: C:\Users\&lt;your name&gt;\Appdata\Roaming\Bitcoin

Mac

Open Finder, then open the Go menu.
Click &quot;Go to Folder...&quot;
Type ~/Library/Application Support/MultiBit

Linux
Open your home directory. Look for the MultiBit folder.
Wallet name
The wallet is always called multibit.wallet. It's the equivalent of wallet.dat in Bitcoin-Qt.