Copying dream meaning is explained below using 4 different sources. Each interpretation is shown with its source.

Interpretation 1 — Nancy Wagaman

Multiplying.

Mimicking.

Something that multiplies quickly (such as a problem) can represent an amplified or multiplied version of whatever the original represents in your life.

Copying someone else can mean there’s an aspect of that person that you admire or respect.

Copying someone else’s work (such as a test or something they’ve created) can represent stealing, shirking responsibility, or feeling unprepared or inadequate.

Using a copy machine can represent: having something you want to express or share with others, the idea of things multiplying or growing (such as your to-do list), repeating messages, work, your job, or an office environment in general.

See Cheating, Fake, Repeating, Increasing

Source: The Curious Dreamer’s Dream Dictionary Author: Nancy Wagaman

Interpretation 2 — Zolar

lucky numbers: 01-12-28-39-43-47

being in the, business: a plan thought favorable wil become unfavorable.

legal papers: are in struggle with stronger opponent.

letter: anxiety over contents needs to be put in perspective.

others: emotional sorrow when you see your extravagance exposed.

picture, a: would prefer a clone would take the flack for you.

signature, another’s: copying another’s behavior leads to ridicule, your own.

text, a: solve your problems before they get out of hand.

Source: Zolar’s Book of Dreams Numbers and Lucky Days Author: Zolar

Interpretation 3 — Gustavus Hindman Miller

To dream of copying, denotes unfavorable workings of well tried plans.

For a young woman to dream that she is copying a letter, denotes she will be prejudiced into error by her love for a certain class of people.

Source: Ten Thousand Dream Interpretation Author: Gustavus Hindman Miller

Interpretation 4 — Internet Archive - Anonymous

This foretells legal affairs, probably to your advantage.
Source: Mystic Dream Book Author: Internet Archive - Anonymous