Changes that affect the appearance of a viewport are automatically updated for a wireframe viewport. However, if changes require the viewport to be rendered again, the viewport will be displayed as an out-of-date viewport.
If a sheet layer with an out-of-date viewport is printed, a message prompts you to either print the viewport as an out-of-date viewport or update the viewport on the sheet layer before printing.
Rendered viewport updates occur in the background for Renderworks render modes; you can continue working in the file while the viewports are updating. See Background rendering.
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   Command  | 
  
   Path  | 
| 
   Update Selected Viewports  | 
  
  
 ● View ● Context menu  | 
To update selected viewports:
1. Select the viewports.
2. From the Object Info palette, click Update. Alternatively, select the command, or right-click on the viewport and select Update from the context menu.
| 
   Command  | 
  
   Path  | 
| 
   Update All Viewports  | 
  
   View  | 
To update all the viewports in the file:
Select the command.
All viewports on all sheet layers are updated.
| 
   Command  | 
  
   Path  | 
| 
   Cancel All Viewport Updates  | 
  
   View  | 
To cancel the updates of all viewports, including those queued to update for background rendering:
Select the command.
The updates are canceled.
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