home.md

@@ -125,6 +125,14 @@ Syncing notes and tasks is best done with [jtx](https://jtx.techbee.at/) - both
 ## OnlyOffice
 
 faircloud has OnlyOffice embedded to collaborate on documents. OO prefers docx, pptx, xlsx file formats. The Open Document Foundation formats odt, odp, ods are also supported, but may be not fully compatible to rendering with the LibreOffice or Collabora editors.   
+The older *.doc and *.xls files can be opened but not edited. As a workaround you can save a copy as *.docx or *.xlsx. Just go to File (1), then "Save Copy as" (2) choose DOCX (3) (or XLSX for *.doc files).     
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+![OO01](uploads/80a6716027aa54496f5429c0a317574e/OO01.png){width=60%}
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+In the following "Save as" dialog just click "Choose" and the copy is saved right next with the same name as .docx (or .xlsx).
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 ## Start an online meeting