> For the complete documentation index, see [llms.txt](https://help.stringeex.com/stringeex-tong-dai-cham-soc-and-quan-ly-khach-hang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.stringeex.com/stringeex-tong-dai-cham-soc-and-quan-ly-khach-hang/en/iv.-frequently-asked-questions/16.-file-formats-supported-on-stringeex.md).

# 16. File formats supported on StringeeX

**Below are the file formats supported by StringeeX:**

* **Upload contacts from the Contact interface:** ".xlsx" (according to the template downloaded from the system)
* **Upload contacts to the Campaign interface:** ".xlsx" (according to the template downloaded from the system)
* **Waiting ringtone file:** ".mp3", ".wav"
* **Omnichannel:**
  * **Live chat:** ".mp2", ".mp3", ".wav", ".ogg", ".mp4", ".m4p", ".m4v", ".avi", ".mov", ".wmv", ".m4a", ".webm", ".jpg", ".jpeg", ".png", ".xbm", ".bmp", ".webp", ".svgz", ".gif", ".jfif", ".svg", ".ico", ".tiff", ".pjpeg", ".pjp", ".tif", ".ai", ".eps", ".pdf", ".doc", ".docx", ".txt", ".html", ".htm", ".xml", ".json", ".csv", ".zip", ".rar", ".xlsx", ".xls", ".ppt", ".pptx", ".odt", ".ods", ".odp", ".rtf"
  * **Facebook (Facebook comment, Message):** ".mp2", ".mp3", ".wav", ".ogg", ".mp4", ".m4p", ".m4v", ".avi", ".mov", ".wmv", ".m4a", ".webm", ".jpg", ".jpeg", ".png", ".xbm", ".bmp", ".webp", ".svgz", ".gif", ".jfif", ".svg", ".ico", ".tiff", ".pjpeg", ".pjp", ".tif", ".ai", ".eps", ".pdf", ".doc", ".docx", ".txt", ".html", ".htm", ".xml", ".json", ".csv", ".zip", ".rar", ".xlsx", ".xls", ".ppt", ".pptx", ".odt", ".ods", ".odp", ".rtf"
  * **Zalo:** ".mp2", ".mp3", ".wav", ".ogg", ".mp4", ".m4p", ".m4v", ".avi", ".mov", ".wmv", ".m4a", ".webm", ".jpg", ".jpeg", ".png", ".xbm", ".bmp", ".webp", ".svgz", ".gif", ".jfif", ".svg", ".ico", ".tiff", ".pjpeg", ".pjp", ".tif", ".ai", ".eps", ".pdf", ".doc", ".docx", ".txt", ".html", ".htm", ".xml", ".json", ".csv", ".zip", ".rar", ".xlsx", ".xls", ".ppt", ".pptx", ".odt", ".ods", ".odp", ".rtf"

**Note:** for Facebook and Zalo, there is a different size limit than StringeeX's Livechat channel for file uploads, specifically as follows:

* **Livechat:**
  * Image < 20MB
  * File < 20MB
* **Facebook:**&#x20;
  * Image < 8MB
  * File < 20MB
* **Zalo:**&#x20;
  * Image < 1MB
  * File < 5MB