The phrase "to add an extension" refers to the action of increasing the length, duration, or size of something, usually a building or a file/file name.
Sentences with «to add an extension»
You can also add an extension of long - term care benefits for a period of 2 or 4 years, which brings the maximum benefit period to 7 years. (insuranceandestates.com)
Be also aware of adding extensions with a contrasting hair texture, which could cause damage to your strands? (curls.biz)
You can also add an extension of long - term care benefits for a period of 2 or 4 years, which brings the maximum benefit period to 7 years. (insuranceandestates.com)