How do I re install Libre office?
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Read theses guidelines and ask a good question.
At least provide your OS name and LO version since instruction vary largely from OS to OS (for both questions).
Please do not use Add Answer but edit your original question to enhance the details of your question (answers are reserved for solutions to a problem on this Q&A site).
Open your usual file manager and click the Name heading, the files will display in alphabetical order, if Z-A then press Name again to show A-Z