I upload files to my calculus course on a regular basis as it is a video streaming course. The files are either docx or pdf. The file I uploaded on 11/8/2018 at 2:17 pm and every file since then have been missing the preview icon. (The file I uploaded on 11/6/2018 at 11:11am has has the preview icon). I use Chrome and the files were uploaded from at least two different computers.
I have attached a screen shot. I labeled the two files mentioned above. All files that have the preview icon were uploaded prior to the dated docx all files without the preview icon were uploaded after the dated pdf.
Has anyone else noticed this? Does anyone have a fix? Any help would be appreciated.