The best way to translate an InDesign file with translation software is by saving it as an IDML file and then using DocTranslator to translate it.

There is an easier way to translate any InDesign file with help of DocTranslator!

Here is how to do it!
Step 1. Export InDesign as .idml format
Step 2. Register at DocTranslator.com for a free account (no credit card required)
Step 3. Upload your IDML document

Step 4. Select languages
Step 5. Hit “Upload” button and then “Translate” buttons!
DocTranslator.com is the only website which offers FREE InDesign Translation for documents that are less than 2,000 words.
Step 6. Enjoy!
Time Codes:
0:01 – How to translate an InDesign File
0:20 – Search for DocTranslator on Google
0:35 – Register a Free Account
0:48 – Choose a IDML document to upload
1:10 – Select original and target languages
2:05 – Click on “Translate” button to translate Adobe InDesign
2:29 – Click on “Download” button and save the translated file