
In this case you will have to unlock all shapes from selection. If grey handle bars appear on the shape you select, the shape is locked against all changes. If you can select a shape, but can't apply any changes to it, the shape might still be protected. In the Protect Document dialog box, clear the Shapes check box, and then click OK.

In the Drawing Explorer tree menu, right-click the drawing file name, and then click Protect Document. On the Developer tab, select Drawing Explorer. If you need help turning on the Developer tab, see Show the Developer tab.) (The following procedure requires the Developer tab to be visible on the toolbar ribbon. If you can’t select a shape, the shape might be protected against selection, which prevents you from deleting or applying any changes to it such as positioning, resizing, formatting, editing text, or rotating. To get this one you need to be on the Monthly ("Current") update channel.If you are having trouble selecting shapes on your Visio drawing page, the problem might be that the shapes are protected or might be a part of a locked layer, or that they are grouped together. Version 16.0.128xx is displayed as "Visio Plan 2". Version 16.0.119xxx is displayed as "Visio Online Plan 2" It depends on organization or computer settings. Like, if you hit that button, you may not get the very-very-latest version, but a "latest annual stable" version for example, or something like that. Please note you may be on different update tracks though. Means, if you update the application to the latest version (using File => "Office Updates" button), you should get the same (latest, i.e. I'm also pretty sure "Visio Plan 2" is just a newer name for the "Visio Online Plan 2".
