Optional Readonlycaption\a option - Includes captioned items, but omits caption labels and numbers. The identifier designated by text in this switch's field-argument corresponds to the caption label. Use captionLabelIncludingNumbers (\c) to build a table of captions with labels and numbers.
Optional Readonlycaption\c option - Includes figures, tables, charts, and other items that are numbered by a SEQ field (§17.16.5.56). The sequence identifier designated by text in this switch's field-argument, which corresponds to the caption label, shall match the identifier in the corresponding SEQ field.
Optional Readonlyentries\b option - Includes entries only from the portion of the document marked by the bookmark named by text in this switch's field-argument.
Optional Readonlyentry\p option - Text in this switch's field-argument specifies a sequence of characters that separate an entry and its page number. The default is a tab with leader dots.
Optional Readonlyheading\o option - Uses paragraphs formatted with all or the specified range of builtin heading styles. Headings in a style range are specified by text in this switch's field-argument using the notation specified as for \l, where each integer corresponds to the style with a style ID of HeadingX (e.g. 1 corresponds to Heading1). If no heading range is specified, all heading levels used in the document are listed.
Optional Readonlyhide\z Hides tab leader and page numbers in web page view (§17.18.102).
Optional Readonlyhyperlink\h option - Makes the table of contents entries hyperlinks.
Optional Readonlypage\n option - Without field-argument, omits page numbers from the table of contents. Page numbers are omitted from all levels unless a range of entry levels is specified by text in this switch's field-argument. A range is specified as for \l.
Optional Readonlypreserve\x Preserves newline characters within table entries.
Optional Readonlypreserve\w Preserves tab entries within table entries.
Optional Readonlyseq\s option - For entries numbered with a SEQ field (§17.16.5.56), adds a prefix to the page number. The prefix depends on the type of entry. text in this switch's field-argument shall match the identifier in the SEQ field.
Optional Readonlysequence\d option - When used with \s, the text in this switch's field-argument defines the separator between sequence and page numbers. The default separator is a hyphen (-).
Optional Readonlystyles\t field-argument Uses paragraphs formatted with styles other than the built-in heading styles. Text in this switch's field-argument specifies those styles as a set of comma-separated doublets, with each doublet being a comma-separated set of style name and table of content level. \t can be combined with \o.
Optional Readonlytc\f option - Includes only those TC fields whose identifier exactly matches the text in this switch's field-argument (which is typically a letter).
Optional Readonlytc\l option - Includes TC fields that assign entries to one of the levels specified by text in this switch's field-argument as a range having the form startLevel-endLevel, where startLevel and endLevel are integers, and startLevel has a value equal-to or less-than endLevel. TC fields that assign entries to lower levels are skipped.
Optional Readonlyuse\u Uses the applied paragraph outline level.
Options according to this docs: https://www.ecma-international.org/publications/standards/Ecma-376.htm Part 1 - Page 1251
Short Guide: http://officeopenxml.com/WPtableOfContents.php