Files that contain the .psw file extension are commonly associated with the Pocket Word portable word processing application. When a user creates a text document when using the Pocket Word word processing application, the resulting document file is saved with the .psw file extension.
Pocket Word was created for Windows Mobile Pocket PC devices. The Pocket Word file format allows users to create, format and edit word processing documents on the go using a mobile device running on the Windows platform.
Documents that have been created with Pocket Word can be exported into the DOC file format for use with the Microsoft Word word processing application.
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If you have additional information about the PSW file format or software that uses files with the PSW suffix, please do get in touch - we would love hearing from you.