Ensure your RAR file contains standard image formats (like .jpg or .png ). Panels is designed to read these compressed archives (often renamed to .cbr for comics) and present them as a seamless book.
You can authenticate services like OneDrive or Google Drive within the app to download and import files directly.
You can use the app's tools to organize content into collections or subfolders if you are putting together a large series.
If you have a .rar file (often containing comic "panels" or pages), you can import it using several methods supported by Panels App :
Send the .rar file from another Apple device directly to your iPhone or iPad and select Panels as the destination app. Tips for Assembling Content
