1. Tap one of the file browsing tabs: FoldersAll Documents, or SD Card.

2. You can then access the Merge button using two different methods:

Method 1Long press the documents you wish to merge until they are highlighted, then click on overflow menu.  

Method 2Tap the file's Information button, to show the Merge icon  

3. On the merge dialog, feel free to rearrange items by long-pressing on an item and dragging, or adding or removing items.

4. Tap the merge button on the bottom. Once a filename is entered, you will have a merged document.

NOTEIf you wish to merge local documents and documents on the cloud, you may select the documents in the Recent or Favorites view.