Boxoft TIFF Merge and Split () can merge TIFF images to a single one and split multi-page TIFF file to single-page file. you can also convert splitted TIFFs to other format(.GIF, JEPG, BMP, PNG, .TIFF, etc.), and name output file by macro buid-in.
More details like below:
Launch it and add some TIFF images;
Click "Merge All", select a output folder then save;