<!-- If it is a bug report: - make sure you are able to repro it on the latest released version. You can install the latest version from https://github.com/PowerShell/PowerShell/releases - Search the existing issues. - Refer to the [FAQ](../docs/FAQ.md). - Refer to the [known issues](../docs/KNOWNISSUES.md). - Fill out the following repro template If it's not a bug, please remove the template and elaborate the issue in your own words. --> Steps to reproduce ------------------ ```Get-Counter | Export-Counter -Path c:\foo.csv -FileFormat <tab>``` Expected behavior ----------------- It should complete to the available file formats, e.g., blg, csv, and tsv Actual behavior --------------- Nothing :( Environment data ---------------- <!-- provide the output of $PSVersionTable --> ```powershell > $PSVersionTable ```