Vectorworks Tip #154 - Document Preferences - Save Viewport Cache

When you open a file that has viewports in it, you will have to update those viewports if you do not turn on Save Viewport Cache. This can save you a lot of time waiting for viewports to regenerate, especially if you have a lot of rendered or section viewports. However, the downside for this is that your file sizes will be huge compared to the files that do not save viewport cache.

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