.FSI File Extension

FastStone Image Viewer Settings File

What is FSI file? FSI is a file extension used for Visual F# Signature Format files. FSI files specify rules and restrict code accessibility in associated FS files. FSI files have the same filename pr...

General Information

Title FSI File Extension
Extension .fsi
Full Form FastStone Image Viewer Settings File
File Type Settings File
Developer FastStone Soft
MIME Type application/octet-stream

File Function

Primary Function Store settings
Additional Functions Save configurations
Features Personalization, Quick load

File Characteristics

Quality Text-based
Supports Layers N/A
Supports Transparency N/A
Editable Yes, with caution

Use Cases

Image Viewing Yes
Image Editing Configurations
User Preferences Yes

Security and Practices

Security Risks Low
Best Practices Backup, Avoid sharing

Historical/Version Information

Initial Release Varies
Latest Version Depends on software version

Associated Types

Similar Extensions .ini, .cfg, .conf

Software Compatibility

Software Usage Policy OS Compatibility
FastStone Image Viewer Free Windows