.{PB File Extension

File created by WordPerfect, a word processing program; contains search and index information for referencing WordPerfect documents; used by the program for performing fast lookups through documents.

{PB files can grow larger over time as more documents are created. Two examples of {PB files are pfpjobpr.{pb and pfpjobcm.{pb. Both files are typically located in the \Windows directory.

NOTE: {PB files are used by old versions of WordPerfect.