In Perfect Wiki you can download multiple pages at once in HTML or PDF formats.
To export pages in bulk:
- Open the knowledge base overview page and select the pages you want to download
Click Bulk Actionsโ Export to PDF/HTML

- After that the archive of exported files will be sent to your email
If you use Windows system internally, there may arise the issue caused by the Windows problem with downloading large archives. To resolve it, try setting up 7zip unarchiver utility to resolve the problem.