PDFS

Fri, 4 Oct '24

Acrobat displays

Sun, 24 Mar '24

Some email attachments

Sat, 6 Jan '24

Many downloads

Sat, 29 Jul '23

Things that a Mac's Preview app helps to preview

Wed, 21 Dec '22

E-tickets often come as these

Sun, 20 Nov '22

Things Acrobat Reader reads

Sun, 8 May '22

Many files in a Downloads folder

Thu, 28 Apr '22

Many attachments