Packet View visualizer allows the user to export its contents to a text format. First, you need to select packets you want to export. Use standard mouse or keyboard commands to select packets in a list or use the Edit » Select All command to select all packets.
Execute the Edit » Copy command to copy the selected content to the Clipboard. Execute the Edit » Export… command to export the selected content to a file. The format of exported data is so-called Tab-Separated Values, or TSV, which may be imported directly to spreadsheet applications, like Microsoft Excel.