Dear Lexiphanes,
Good day! Thank you for posting in Microsoft Community. We’re happy to help you.
From your description, it seems that you want to edit the existing freeform line points, however, you cannot find the option.
If my understanding is right, according to our search, we can edit the points of freeform line, you can select the shape that you want to edit > On the Format tab, click Edit Shape, and then click Edit Points. For your reference: Draw or edit a freeform shape (microsoft.com)
If the scenario above is not consistent with yours, to better understand your situation, could you provide the information below?
- Could you provide the product information and version of Visio? You can go to Visio > File > Account and provide the full screenshot of it.
- Could you provide the screenshot of freeform line you drew? Could you also provide the screenshot of Format tab when you select the freeform line?
Thanks for your cooperation.
Sincerely,
Sukie | Microsoft Community Moderator