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P4 CLI Documentation | 2025.2

# P4MERGEUNICODE

Used to support UTF-16 and UTF-32 character sets from the Command-line Client.

## Usage notes

Used by Client? | Used by Server? | Command-Line Alternative | Can be set in P4CONFIG file?
--- | --- | --- | ---
Yes | No | None | Yes

## Value if not explicitly set

Operating System | Value
--- | ---
All | None

## Notes

This environment variable is used in place of `P4MERGE` if the file being resolved is of type `unicode` or `utf16`, and the character set is passed as the first argument to the command.

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