Access to the command over
Command line: _extend
Assistant: 

| CAD-Functions | 
Example:
The left line shall be extended to the right line.

After activating the function, pick the object until that the line shall be extended.

After confirming with right mouse-button pick the extending object.

The left line has been extended.

Confirm with "Enter" to finish the function.

Näheres entnehmen Sie bitte der CAD Hilfe.