Backup your database frequently to avoid data lost.

You can use "Compact/Repair database" to compact and repair your database, and program will auto backup your database in *.dcb.bak.

Empty your RECYCLE BIN to reduce the database file size.

Use FIND ALL to find all match position in database.

Hold CTRL key when drag&drop to force copy node, or Hold SHIFT key to force move node (like windows explorer).

You can drag&drop text and files from other program (such as EXPLORER, IE, WORDPAD, WORD).

Avoid directly insert attachments into RTF documents, because it will waste a lot of disk space. You can insert attachments into attachments list to reduce the database file size.

Hide the node tree when you read e-book.

Use "Monitor Clipboard" or "drop frame" to collect tips and files.

You can use Data Collector to store URLs.

Save your *.ICO, *.CUR files to attachment list, you can see its content directly.

Use tools->options to set the default setting to display the TEXT file.

You can drag&drop files directly between attachment list and other program (such as explorer).

The size of attachments in one node should not exceed 5MB, or the processing speed will be slow down.

Import all your e-books to a *.dcb file, it will save disk space, and easy to read, manage and find your e-books.