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.1ST File Extension

TIP: Run a free scan for .1ST file extension errors.

File Type Readme File
Popularity 3 stars  Average
Category Text Files
File Description "Readme First" file; text file containing important information or instructions for using a certain program
Program(s) that open 1st files
Mac OS Mac OS Any text editor
Windows Windows Any text editor
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Updated 2006 Star Fix file extension .1ST errors.
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