released in December 2017 and maintained through current updates as of March 2026 Platform Support

It supported formats that were difficult to preview in standard Windows Explorer before XP/7 improved native support. This included:

/
pages
index
activate
Free Download
Free Download for {0}
https://officesuite.com/api/validate-key
pdf-extra
Also available for {0} and {1}
https://checkout.mobisystems.com/

St Thumbnails Explorer 1.5: 19

released in December 2017 and maintained through current updates as of March 2026 Platform Support

It supported formats that were difficult to preview in standard Windows Explorer before XP/7 improved native support. This included: