Indexing office documents and Flash files
Yandex indexes more than just HTML documents. It also indexes documents of the following types: PDF, Flash (Adobe Systems); DOC/DOCX, XLS/XLSX, PPT/PPTX (MS Office); ODS, ODP, ODT, ODG (Open Office); RTF, TXT.
Restrictions on the indexed data:
In PDF documents, only text content is indexed. Text represented as images is not indexed.
In Flash documents, the text from the following blocks is indexed:
Links are indexed if they are in these blocks:
When new software versions are released, support for the new formats may take a while.
Documents larger than 10 MB aren't indexed.