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Attachment type

Attachment type

This condition lets you filter messages based on their content type.

Match using​

Match using

Choose how to match the content type:

  • Exact match – The content type must match exactly
  • Wildcards – Use * to match patterns (e.g., text/* matches any text format)
  • Regular expression – Use advanced pattern matching for complex rules

File type​

Enter the content type or pattern you want to match.

Common content types​

  • application/pdf – PDF documents
  • application/msword – Microsoft Word documents (.doc)
  • application/vnd.openxmlformats-officedocument.wordprocessingml.document – Microsoft Word (.docx)
  • application/vnd.ms-excel – Microsoft Excel (.xls)
  • application/vnd.openxmlformats-officedocument.spreadsheetml.sheet – Microsoft Excel (.xlsx)
  • application/zip – ZIP archives
  • application/x-rar-compressed – RAR archives
  • image/jpeg – JPEG images
  • image/png – PNG images
  • image/gif – GIF images
  • audio/mpeg – MP3 audio files
  • video/mp4 – MP4 video files

Additional resources​