DeCompressRTF

CompressedRTF is a compressed entity found in Outlook Item File (.msg).

DeCompressRTF is a decompressor in JavaScript npm module

How to use

const fs = require('fs');
const { decompressRTF } = require('@kenjiuno/decompressrtf');

const inputArray = fs.readFileSync('test/__substg1.0_10090102');
const outputArray = decompressRTF(inputArray);

console.log(Buffer.from(outputArray).toString("ascii"));

Reference

• The Compressed RTF Format https://www.freeutils.net/source/jtnef/rtfcompressed

• 2.1.3.1 RTF Compression Format https://msdn.microsoft.com/en-us/library/ee159164(v=exchg.80).aspx

• 1009-PidTagRtfCompressed https://github.com/HiraokaHyperTools/OXPROPS/blob/master/JSON/1009-PidTagRtfCompressed.md