Use Preferences > General Preferences > Tags to configure tags as full-sized or shortened.
To copy all tags:
In TXLF Editor, open a file.
On the Edit tab, click Copy All Tags.
Alert:
All copied tags display at the location of the cursor. Reorder them to mimic the source content order using the drag-and-drop or copy-and-paste technique.
Select Segment or Document from the drop-down menu.
Segment or Alt+A
Select to copy only the tags for the selected segment to the target.