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What are ".tfss" and ".render"-files ?

Peter Krall
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May 16, 2023

After inserting an .xls, I also see two files with endings ".tfss" and ".render". Windows does not know what to do with them after downloading and the only information about ".tfss" files I found in the web referred to some kind of ransomware protection. Are these files automatically generated to enable recovery after a ransomware attack? Or what else is their purpose?

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Stiltsoft support
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May 16, 2023

Hi @Peter Krall ,

Are we talking about the Table Spreadsheet macro provided by the Table Filter and Charts for Confluence app?

If this is the case, then .tfss and .render files are your attachments to the page where the Table Spreadsheet macro is inserted (they are generated automatically).

These files are used to store your data, assign versions (for example, you may export your spreadsheet in the .tfss format and import it somewhere else to another Table Spreadsheet macro and continue to work there) and perform page export (in pdf, for example).

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