They are either pre-installed or can be added for free from Apple's App Store. csv (comma separated values) or plain text if he still has access to Apple Numbers and Pages, then open them in OO and reformat.Everyone using MacOS 10.15 including the OP will have Pages, Numbers, and Keynote available.

Stability and performance improvements.RoryOF wrote:Or perhaps he could Save them as.

Backed by Apache, downloading it to our Mac is a serious and efficient alternative to more popular office suites. It comes to prove that being free doesn't mean low quality.

Math: a tool to carry out all sorts of maths calculations.

You can also save them in HTML or Flash format.

Impress: compatible with PowerPoint, it is an application to create slideshows using all sorts of templates that can be edited.

Base: the management of simple databases is also present, and with this tool we can organize and manage any type of data.

Draw: the tool with which you can create both technical and artistic images based on vector drawings.

Not only is it capable of generating customized charts, but it also includes collaborative tools.

Calc: the spreadsheet of OpenOffice, compatible with the documents generated by Excel.

It integrates different dictionaries and allows the export of any document created to PDF.

Writer: a text processor compatible with many formats, including those associated to Word.

With these utilities, we will have everything we need to generate documents that can range from text to a vector drawing, and all the latter by means of a user-friendly design that will make it very easy to use. It's made up by six independent tools in the same pack that approach different office aspects.

Six tools in the same pack that will satisfy your needs We all know excellent products like iWork or Microsoft Office, but did you know that there is a completely free alternative to the latter? It's called Apache OpenOffice and has nothing to envy of these two great tools. An office suite can be considered as a tool of first need on any computer.

Open office mac