How to switch editor from overstrike to insert mode?

[querty999]

Somehow I have switched my editor into overstrike mode.  How do I get back to insert mode?

When I type new text it overwrites existing text instead of being inserted into it. The position marker has changed from a vertical bar to a small rectangle.

I must have inadvertently pressed some hot key combination but I don't know what it is. I can't find this in the documentation.

thanks!

[Wolfgang · Accepted solution]

You can switch between various selection modes by pressing <Ctrl-Insert>, or by clicking on the symbol in the status line, see also here

[querty999]

I found it. Thanks!

The insert/overwrite status is shown in the status line at the bottom of the editor window. Just click on the status and in changes.

[RobertoBozzolo]

Even simpler, press Ins keyboard key to switch between Insert / Overwrite (that key normally is above Del key, near Home and End keys).