Webex Recording Format

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File Format
Name Webex Recording Format
Extension(s) .wrf
Released Between 1995[1] and 2003[2]

Webex Recording Format (WRF) is a proprietary video container format used to store recordings created by Webex, a video conferencing program used mainly in business environments. It appears, based on mentions of a specific codec not "being accepted" by a conversion program[3], to be a container format; the fact that it can use the H.264 codec[3] suggests that it may internally use other widely-used formats, as well. It is possible that it may record other details of the video conference, such as text chat, as well.[4] It succeeded WOT and was succeeded by Advanced Recording Format (although WRF has persisted for recordings made directly by the client software; see the Advanced Recording Format page for details). It seems to share the magic number ASCII WOTF ("WOT File", presumably) with WOT[5][6].


Sample Files




  1. Wikipedia:Webex, see date of founding
  2. Date of https://web.archive.org/web/20030724053357/http://meetingcenter1.webex.com/client/latest/atplay.exe
  3. 3.0 3.1 https://help.webex.com/en-us/WBX000026388/WRF2WMV-Converter → "Note"
  4. http://www.wbximg.com/includes/documents/data-sheets/NBR_datasheet.pdf; unclear how much of this applies only to ARF
  5. http://searchengineblaster.com/wots/sebtour.wot
  6. https://archive.org/download/SharingAppContactOperation/SharingApp_ContactOperation.wrf
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