Bing announced you can now copy and paste your ads or keywords from campaign to campaign within the Bing Ads console.
In your campaigns page in the Bing Ads console, select which keywords you want to copy and then copy them by clicking Edit ->Copy from the toolbar, or by holding "Ctrl+C" on your keyboard.
Here is the UI to copy and paste:
Seems like advertisers are really happy about this time saving feature.
Forum discussion at Twitter.