Previously, users are not able to reuse their deleted document numbers because of the app's strict rule. Now you can reuse them by going to the settings in Company Settings > Basic Settings > App Settings > choose Yes, allow to reuse and save, done. Related Articles9th August 2017 App Update ReleaseChoose numbers of items shown on listing pagesAll PDF header: Custom address setup17 March 2019 App update releaseDocument PDF: Header & Footer image