I was asked this question twice this week already so I thought it would be good to post the answer for others.
To "explode" a group, use the AutoCAD command:
UNGROUP
Of course "exploding" a group may not be the best choice for every situation. In groups, if you just want to grip edit something within the group, set the system variable
GROUPDISPLAYMODE to 0. This setting will display grips on all objects in the selected group. It will preserve the group while allowing you access to grips to make changes to individual objects within the group.
Here are a few images to show the difference between the three settings available in the GROUPDISPLAYMODE system variable. Each image shows a group consisting of an mtext object and a rectangular wipeout that has been selected within a drawing.
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| GROUPDISPLAYMODE set to 0 |
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With GROUPDISPLAYMODE set to 0, the grips on all objects in the selected group will be displayed. Notice that I can adjust the limits of the wipeout or the width of the mtext object.
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| GROUPDISPLAYMODE set to 1 |
With GROUPDISPLAYMODE set to 1, a single grip at the center of the grouped object will be displayed. Notice the single grip at the center? With this setting I can't adjust the limits of the wipeout or the width of the mtext object.
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| GROUPDISPLAYMODE set to 2 |
With GROUPDISPLAYMODE set to 2, a group bounding box and a single grip at the center of the grouped object will be displayed. The only difference between this setting and the previous setting is that with the bounding box visible I can see the limits of the objects in the group.
