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.png is the default extension of an Ms-paint file
"Docx" is the default file extension for Word 2013 edition.
MS Word 2007 uses a .docx extension by default.
PHP files extension is .php
File extension in Open office writer is Auto Correct
the default extension of Telugu word file is addition subtraction division multiplacation
"Docx" is the default file extension for Word 2013 edition.
The default is portrait.
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The default file ext for Excel 2010 default install is .xlsx as it was in 2007. 2003 was the last version with a different extension, which was .xls for workbooks.Te default file ext may be changed by going into File-> Options -> Save -> Save in this format.If there is a group policy in place, Excel will inherit the default file extension specified.
.docx
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