[.noindex][1]


> One of the fastest ways to hide a file or folder, from Spotlight, on
> the fly is to add the .noindex extension to the end of the filename or
> folder. The simplest way to get those files hidden is to create a
> folder, preferably named something innocuous, and add the extension to
> the end of the name. I’ll end up with a folder named “Nothing to See
> Here.noindex” or something similar.

Hide just a single file

![hide][2]

> Select the file to be hidden. Right-click and select Get Info, or
> click Command+I. Find the Name & Extension field, and replace the
> current extension with .noindex. When prompted to confirm that I want
> to change the extension, I agree. Now my file is properly hidden from
> Spotlight search.

  [1]: http://computers.tutsplus.com/tutorials/quick-tip-hide-files-and-folders-from-spotlight-search--mac-54256
  [2]: https://i.sstatic.net/qzDX9.jpg