Menu Files
Click on the file > Batch Task > Export for External Review
Send it to the translator for translation or review asking to write the translation or make corrections in Track Changes mode in column “Target”.
Click on the file > Batch Task > Unpdate from External Review
Open your clean bilingual table from item 2 and replace Target column there from the unclean review table (from the translator).
Delete the old Target column and accepnt all changes.
Open the project in Trados
Menu Files
Click on the file > Batch Task > Update from External Review
Choose your updated file