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In addition to opening its own native .ODF file format, OpenOffice Calc can also open worksheets from other spreadsheet software such as Excel. According to Apache, when working with an Excel sheet in ...

The word processing, spreadsheet and drawing applications of OpenOffice make it an excellent free office suite for your business. Among many of its advantages are compatibility with paid office suites ...

Microsoft Office apps like Word, PowerPoint, Excel, etc. are loaded with features; but, practically getting used to all of them would take weeks of training. Then there’s one feature that most of us ...

Keep them in native format. Repeatedly opening and saving is MS format is likely to make things flaky, but you can always save a copy in whaever format you need.