Download the app, launch it, and use the 'Open' feature from the main menu; the free version allows viewing and opening Excel, Word, and PowerPoint files without saving edits.

No, the free version supports editing for testing purposes but cannot save files. To save, upgrade to the premium version via Settings > Account > Upgrade.

Open the app, select 'New' from the home screen, then choose your preferred template or blank document to start editing.

It supports formats like .xlsx, .xls, .csv, .docx, .pptx, and many older formats, accessible via 'Open' or 'Import' options.

Upgrade to the premium version, then navigate to 'Tools' > 'PDF Conversion' to batch convert PDFs to Excel, Word, or images.

In the premium version, open your file, go to 'File' > 'Export,' and select 'Export as PDF' to save your document as a PDF.

Premium allows saving edits, printing, PDF export, and conversions between PDF and Office formats, enhancing your productivity tools.

Go to 'Settings' > 'Account' > 'Upgrade' within the app, then choose your preferred subscription plan.

Try restarting the app or device. If issues persist, contact support through 'Settings' > 'Help & Support' for assistance.

Yes, the premium version supports batch converting PDFs to various formats and bulk processing files via the 'Batch Tools' menu.