A free app for Android, by Business Apps By RPDev.

A1 Office is a free office suite for Android. It is a fully functional office suite, suitably designed for both professionals and students.

A1 Office has the following useful features such as:

Document Manager which lets you organize documents in neat places;

File Viewer for easier and quicker access to read files in Word, Excel, PowerPoint, and other formats including DOC, DOCX, XLS, TXT, XLSX, PPT, PPTX, and PDF;

PPT Reader / View PPTX Slide to open slides on your device;

PDF Creator / PDF Editor / PDF Converter for converting files to a format of your choice;

PDF Viewer / PDF Reader for reading, searching, saving, and sharing PDF files;

and many more like Excel Viewer – Excel Reader, Document Viewer / Document Reader, Folder Structure, Quickly Search, HTML Viewer / HTML Reader, and File Information.