What is Document Viewer?

With NAVER WORKS Document Viewer, you can view documents on NAVER WORKS without opening an external program.

Depending on the document type, files automatically open with Document Viewer or Excel Document Viewer.

Mobile devices will open documents with a default viewer or connected programs.

You can use Document Viewer in mobile apps when the administrator turns on 'Restrict file download on mobile app' or 'Watermark' in 'Admin > Security > File Security'.

However, Document Viewer can only open files smaller than 150 MB.

Supported files on Document Viewer

The supported file extensions by NAVER WORKS Document Viewer are as follows. Among the below extensions, spreadsheet documents (.xls, .xlsx, .nxls) open in Excel Document Viewer whereas all other extensions open in Document Viewer.

  • MS Office files (.doc, .docx, .ppt, .pptx, .xls, .xlsx)
  • PDF files (.pdf)

Using Document Viewer

You can use Document Viewer in all services within NAVER WORKS.


  1. Check the file you wish to open in the service you are using.
  2. Tap the document file.

PC Web

  1. Check the file you wish to open in the service you are using.
  2. Double-click the document file or click  right to the file.
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