# Managing pages and document contents functions

The following functions move pages of a document from one file to another:

Function | Synchronous/ Asynchronous | Description
--- | --- | ---
nfxMergeFile | Synchronous | Combines multiple TIFF-F or TIFF-S files into a single TIFF-F or TIFF-S file.
nfxSplitFile | Synchronous | Splits a single TIFF-F or TIFF-S file into a specified number of TIFF-F or TIFF-S files.