After that, the Microsoft 365 app will automatically save ... It is worth noting that the App Store on iOS and iPadOS is full of PDF-editing apps with document merging capabilities.

PDF-XChange Editor is a comprehensive PDF editor that allows you to create, view, edit, annotate, and digitally sign PDF documents with ease. With advanced features like OCR, document security ...

For example, click on Fax or Microsoft Print to PDF. Click the Manage button and then click Set as default on the next page. Start Publisher and try to save the file as a PDF or XPS again.