I just stumbled on a nice collection of Tips and Tricks for your BlackBerry smartphone compiled by Research in Motion and published on the official BlackBerry site. The BlackBerry hardcore user will know most of them but I guess there is also something new for you.

Here is the list of the most popular tips and tricks.

Most Popular Tips and Tricks

Turn on the backlighting

• Press Power button.

Switch to another program

• Hold the Alt key and press the Escape button. Continue to hold the Alt key and select a program. Release the Alt key to switch to that program.

Exit a screen or dialog box

• Press the Escape button.

Insert a period

• Press the Space key twice. The next letter is capitalized.

Insert the at sign (@) and periods in an Email field

• Press the Space key.

Type an accent or special character

• Hold the letter key and roll the trackball/trackwheel.

Capitalize a letter

• Hold the letter key until the capitalized letter appears.

Move the cursor in a different direction

• The Alt key and roll the trackball/trackwheel.

Change an option field

• Hold the Alt key. Click a value.

Move to an item in a list or menu

• Press the first letter of the item.

Select a check box

• Press the Space key. To clear the check box, press the Space key again.

Select a line of text

• Press the Shift key and roll the trackball/trackwheel.

Move down a screen

• Press the Space key.

Move up a screen

• Press the Shift key + the Space key.

The Tips and Tricks are sorted by device and even include some early models such as the 7100 and 7520. You can find the full listin the BlackBerry 101 – Tips and Tricks Section.