Useful apps and features141• Print: Print the document by connecting the device to a printer. Refer to Mobile printingfor more information.• Send: Send the document to others or share it.• Edit: Edit the document. To use this feature, you need to download and install therequired app.• Help: View information about Hancom Office Viewer.Spreadsheet• Find: Search for text.• Zoom: Change the view size.• Document Info: View document details such as title, date, and author.• Sort: Sort cells by specific criteria.• Show Formulas: View the formulas inside cells instead of their calculated results.• Freeze Panes: Keep the selected row in place.• Gridlines: Hide or show gridlines.• Show All Comments: Hide or show memos on the document.• Print Area: Select an area to print.• Print: Print the document by connecting the device to a printer. Refer to Mobile printingfor more information.• Send: Send the document to others or share it.• Edit: Edit the document. To use this feature, you need to download and install therequired app.• Help: View information about Hancom Office Viewer.