Extend

Use the command Extend to extend a line, polyline or arc to the edges of other objects.

Extend.
Extend (auto).

Use the Extend function to extend a line, polyline or arc to the edges of other objects. Select the objects that define the extension limits and then the segment to extend.

Click Edit.
Click Extend.
Select the limit objects.
Select the object to extend.

Extend (auto)

Use the Extend (auto) function to extend a line, polyline or arc to edges of the nearest object.

Click Edit.
Click on the arrow near the function Extend to open the drop-down menu.
Select Extend (auto).
Select the object to extend to the nearest object.