These are then also available for use in UltraSearch. Other formats, such as PDF, can be read using filters that are automatically registered during the installation of a PDF viewer. Many file formats, such as the usual office formats, are already handled by the operating system's own routines. Third-party applications can also provide their own treatment routines that can be used to read certain file formats. To be able to search even complex file groups like Microsoft Word, Excel, or PowerPoint, UltraSearch uses the so-called IFilter interface, which is provided by the operating system. All common character encodings like ASCII, Unicode or UTF-8 are supported.

UltraSearch can search plain text files very quickly for a specific search term by traversing and analyzing them at file system level. Information on full-text search: Pure text files and IFilter More information and examples can be found in the following chapter Search syntax. If you want to combine several search terms, write AND or OR between both search terms, for example: readme OR manual.

If you want to limit the search to a certain file sizes, you can specify a minimum and / or maximum size, for example: size: 5MB If you want to search for file content, precede the search term cont: or content: before the search term, for example: cont: license. If you want to search for a file group, precede the search term group: before the search term, for example: group: Video Files. If you want to search for a file extension, precede the search term ext: or extension:, for example: ext: txt. the file name in the search field, optionally with the word name: in front of it.

To start a search, simply enter the desired search pattern, e.g.

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