Since USB drives can fail, synchronize your portable ChessBase folder with Dropbox, Google Drive, or OneDrive:
1. e4 e5
2. Nf3 Nc6
3. Bb5 (Ruy Lopez)
(3. Bc4 Italian)
3... a6 4. Ba4 Nf6 5. O-O Be7 (Closed)
Save as .cbv – it will preserve all variations. chessbase 10 portable
The biggest drawback of using legacy software is compatibility with modern data. Since USB drives can fail, synchronize your portable
| Format | Supported | Notes |
|--------|-----------|-------|
| .cbv | ✅ Yes | Native format for games + analysis |
| .pgn | ✅ Yes | Best for portability & compatibility |
| .cbh (new) | ❌ No | Modern CB14+ databases won’t open |
| .ctg (opening book) | ✅ Yes | If built with old CB book tools |
| .cba (backup) | ✅ Yes | Can restore into CB10 | Save as
Recommendation: Use PGN for sharing, and CBV for internal use with analysis saved.