The US District Court for the District of New Hampshire offers ECF users interactive computer-based training modules. The court also provides access to the PACER Training website.

US District Court - District of New Hampshire's Computer-Based Training Modules
Interactive training modules that exactly replicate the USDCNH ECF Filing System.

National Computer-Based Training Modules (CBTS)
National ECF Training Materials that offer more general instructions on the use of ECF in the federal courts nationally.

PACER Video Training Site
National training videos that offer general instructions on how to search for and view records using the Pacer Case Locator (PCS).