If File Explorer Preview for PDF is not working or displaying correctly and shows ‘INDEX OF…’ under Network folders, here's what you need to do.

With the Preview app, you’re mostly limited to adding new elements on top of the existing ones. Consequently, you can’t edit the text of a PDF file (see our round-up of the best PDF editors).

The second change we noticed is related to how RCS messages handle PDF files. Currently, if you send or receive a PDF in the Messages app, you won’t see a preview like you would for a video or a ...

macOS Monterey ups the game for the Preview app in a subtle way: you can better control over PDFs. In Big Sur and earlier releases of macOS, you had to rely on Adobe Acrobat or another PDF-editing ...