Configure Fiddler to Decrypt HTTPS Traffic
Edit this docEnable HTTPS traffic decryption:
Click Tools > Fiddler Options > HTTPS.
Click the Decrypt HTTPS Traffic box.

Click Tools > Fiddler Options > HTTPS.
Type the hostname in the Skip Decryption.

Add a rule like this inside the OnBeforeRequest function*:
if (oSession.HTTPMethodIs("CONNECT") && oSession["X-PROCESSINFO"] && oSession["X-PROCESSINFO"].StartsWith("outlook"))
{
oSession["x-no-decrypt"] = "boring process";
}
Add a rule like this inside the OnBeforeRequest function*:
if (oSession.HTTPMethodIs("CONNECT") &&
!oSession.HostnameIs("SiteICareAbout.com"))
{
oSession["x-no-decrypt"] = "do not care.";
}
Responding to requests with client certificates