Overview HancomOffice Viewer is a program that allows you to read and manage documents in various formats. [System Requirements] - OS: iOS 15.0 or higher [Key Features] 1. Reading and managing Office documents: You can use the full-featured document viewer to read documents, change folders, and send emails. 2. Support for various document formats - Hangul documents: hwp, hwpx, hwt - Word documents: doc, docx, dot, dotx - Spreadsheets: cell, csv, xls, xlsx, xlsm - Presentations: show, ppt, pptx - Other documents: pdf [Answers to Important Inquiries] When a $1 payment occurs during download: HancomOffice Viewer is a free program. Occasionally, a $1 payment is made to verify the validity of the credit card registered in the app store, but the actual amount will not be charged. [Important Notices] - Due to mobile font embedding, some symbols and characters other than Hangul and English may not be displayed correctly. - The font specified in the original document may be changed to a mobile font, which can affect the layout of the document. [Required Access Permissions] Device Information: This is used to provide device and iOS version information when contacting customer support for product inquiries. ■ If you encounter errors or have any inconveniences while using the app, please contact us at '[email protected]' with details about the error environment and content, and we will investigate and respond.