Here are some great shortcuts to know when you’re typing on your BlackBerry device.

Insert a period - Press Space key twice. The next letter is capitalized.
Capitalize a letter - Hold letter key until capitalized letter appears.
Type an alternate character on a key - Hold Alt key and the character key.
Type an accented or special character -  Hold letter key and roll trackball to the left or right. For example, to type ü, hold U and roll the trackball to the left until ü appears. Release letter key when accented or special character appears.
Type a number in a number field - Press a number key. You do not need to Press the Alt key.
Type a number in a password field - Hold the Alt key and Press a number key.
Turn on NUM lock - Press Alt key and the Left Shift key.
Turn off NUM lock - or CAP lock Press the Shift key.
Turn on CAP lock - Press Alt key and the Right Shift key.
Switch typing input languages - On the Language screen, verify that the Use Input Language Shortcut field is set to Yes. Hold the Alt key and Press the Enter key. Continue to hold the Alt key and Highlight a language. Release the Alt key.
Insert an ‘at’ sign (@) or a period (.) - In an e-mail address field, Press the Space key.
Type a symbol - Press the Symbol key. Type the letter that appears below the symbol.
Highlight a line of text - Press the Shift key and roll the trackball.
Highlight text character by character left or right - Hold Shift key and roll the Trackball.
Cancel a text selection - Press the Escape key.
Cut highlighted text when typing - Press Shift key and the Backspace/Delete key.
Copy highlighted text when typing - Press the Alt key and click the trackball.
Paste highlighted text when typing - Press the Shift key and click the trackball.