The following types of attachments are excluded by default: .au, .cca, .dbd, .dll, .exe, .gif, .img, .jpg, .mp3, .mpg, .mov, .nsf, .ntf, .p7m, .p7s, .pag, .sys, .tar, .tif, .wav, .wpl, .zip.
Valid Values are:
1: an unconditional command to index all attachments.
2: to turn off attachment indexing. This overrides any attachment indexing option set up directly in a Notes database or the domain indexer.
3: Use for TIKA attachment indexing in Notes / Domino 11