Create drawings from models (Creo Elements/Direct Annotation) > Modify drawings > Modify frames > Rename frames
  
Rename frames
You can change the name of an existing frame. Frame names are seen in the Drawing Browser.
To rename a frame,
1. Click Annotation and then, in the Setup group, click the arrow next to Properties.
2. Click Sheet.
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Alternatively, select the frame in the Drawing Browser, right-click, and select Frame Properties from the context menu.
The Sheet Properties dialog box opens.
3. Under Frame, in the Name box, type the new name for the frame.
4. If necessary, specify a different sheet:
In the Sheet box, select the sheet, or
Select the sheet from the Drawing Browser, right-click, and select Apply Selection from the context menu.
5. Click Close to complete the operation.
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To avoid compatibility problems, you should not use the dot character "." as part of your new frame name!