how to compress any ms office files in maximum 1mB ?

Hi Puneet,

Please check the below link 

https://learn.microsoft.com/en-us/dotnet/api/system.io.compression.gzipstream?view=net-6.0#examples

https://learn.microsoft.com/en-us/dotnet/api/system.io.compression.gzipstream?view=netframework-4.0#examples

void CompressThis (string inFile, string compressedFileName)
{
    using (FileStream sourceFile = File.OpenRead(inFile))
    using (FileStream destinationFile = File.Create(compressedFileName))
    using (GZipStream output = new GZipStream(destinationFile, CompressionMode.Compress))
    {
        sourceFile.CopyTo(output);
    }
}