Markzware‘s conversion software to convert InDesign CS5.5 to Adobe InDesign CS5:
MarkzTools for InDesign allows InDesign CS5 users to convert InDesign CS5.5 or newer version files to CS5. This InDesign plugin can help InDesign CS5 users who receive InDesign CS5.5 or higher documents. With MarkzTools, users can open InDesign CS5.5 (or higher) files in CS5, without IDML.
Conversion Software to Convert InDesign CS5.5 to
Adobe InDesign CS5 with MarkzTools for InDesign
How to Use MarkzTools for InDesign
• Go to the MarkzTools menu.
• Select “Convert InDesign Document“.
• Select the InDesign document that you want to convert.

The Annual Subscription gives the user 1 year of the use of MarkzTools for CS6, CS5.5 and CS5 Mac on a single computer. This includes all updates and upgrades during that year, starting on the date of purchase. After the year is over, users can renew their subscription to continue using MarkzTools.
For more information on Markzware‘s InDesign plugin to open InDesign in lower versions, please see the MarkzTools page. For more data conversion solutions and conversion tools, please see the Markzware Products page.
Conversion Software to Convert InDesign CS5.5 to Adobe InDesign CS5
