Excluding attachments from the Domain Index
The following types of attachments are excluded from the Domain Index by default: .*.ap,*.au,*.bkf,*.bqy,*.cab,*.cca,*.dbd,*.dll,*.exe,*.gif,*.gz,*.img,*.jar,*.jpg,*.lwp,*.m4p,*.m4v,*.MIF,*.mov,*.mp3,*.mp4,*.mpg,*.msi,*.nsf,*.ntf,*.p7m,*.p7s,*.pag,*.pdb,*.pic,*.png,*.pst,*.rar,*.shw,*.sys,*.tar,*.tar,*.tif,*.wav,*.wmf,*.wpl,*.wq1,*.z,*.zip