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In XTM Cloud, you can enable the option to hide repeated segments, and this also applies to cross-file repetitions (of course, except for the first instance of the segment). This setting can be enabled in Configuration → Settings → Translation → TM → Repeats:
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Once enabled, the option is activated in the "create a new project" form when you can specify the percentage of a particular file at which repetitions occupy, at which the option shall be activated:
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Remember that, while repeated segments in XTM Workbench can be hidden, they are automatically populated with the newest translation in subsequent files so they will be translated accordingly in a target file once that file is generated again. Also, the Metrics will still display those repetitions, and the file concerned will show the original number of segments in the Project editor → Workflow section.