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NICE CXone Expert
Expert Success Center

Supported File Types and Attachments

File size and indexing

You can attach a maximum of 1,000 files to a single page with a maximum file size of 268 MB for each attached file.

For files larger than 5 MB, only the file names and descriptions are indexed and not the content of the file. For files 5 MB or smaller, Expert indexes the name, description, and content of all supported file types.

Supported file types

  • .pdf
  • .doc
  • .docx
  • .pptx
  • .xls
  • .xlsx
  • .odt
  • .odp
  • .txt
  • .rtf

Supported image extensions

  • .png
  • .jpg
  • .jpeg
  • .gif
  • .svg


Expert does not support .bmp (bitmap) files.

Favicons must be formatted as a .ico file type.

Executable files (.exe) are not supported as attachments for new customers as of April 8, 2021. If you are interested in implementing this functionality on your existing site, please contact Support


If you experience issues uploading a file type not listed, save the file as one of the listed supported extensions and try to upload it.

Alternatively, compress the affected attachment as a .zip file and try to upload it.


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