1.0 link Rainbow Dash Network http://rainbowdash.net/ adiwan (adiwan) http://rainbowdash.net/adiwan http://rainbowdash.net/notice/4913982 @<span class="vcard"><a href="http://rainbowdash.net/user/4526" class="url" title="Tiff in the Butterfly House"><span class="fn nickname mention">tiffany</span></a></span> I always use pdftk on Linux for that (command line). There is a Windows GUI version but it doesn't have all features, but merging is there. Alternatively there is also the command line Windows version, which has all features. <a href="https://www.pdflabs.com/tools/pdftk-server/" title="https://www.pdflabs.com/tools/pdftk-server/" rel="nofollow external">https://www.pdflabs.com/tools/pdftk-server/</a> <a href="https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/" title="https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/" rel="nofollow external">https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/</a><br />using it in command line is simple: pdftk first.pdf second.pdf third.pdf fourth.pdf cat output.pdf <br />(&quot;cat&quot; stands for conCATenate)