Bing Ads Editor is bugged
In Bing Ads Editor, if a Keyword has an Ad group status of "Budget paused" and you use the Copy to CSV feature, the Ad group status for that Keyword changes to "Deleted" which is inaccurate. Please fix.
AdminPrince (Admin, Bing Ads) commented
Thanks for reaching out to us. Could you please install the latest version of Bing Ads Editor from our download site: https://www.microsoft.com/en-us/download/details.aspx?id=22260
This issue should be fixed in the latest version, please let us know if the problem persists.