InDesign 2023 makes a read only file

Thank you Rob Day. However, my files don't open as [Converted] but [Read Only]. I have the same problem even with new files created in v.18.1 

Hi @Christina228449123bw0 ,

Sorry to hear about the trouble. Please try the steps shared here https://community.adobe.com/t5/indesign-discussions/problem-saving-documents-to-external-drive-and-book-on-mac/m-p/13282196#M498084 and let us know if this helps or if you need any further assistance.

Regards

Rishabh

With major updates documents saved with an earlier version open as converted, and you are forced to Save As either to a new name or overwrite the original. It’s a safety feature in case you are forced to drop back to an earlier version—the title bar title will include [Converted]. If you are sure you want to overwrite the original you can script the overwrite. I give this script the Command-S key command;

var doc = app.activeDocument;
var fp = doc.filePath;
var n = doc.name;

if (doc.converted) {
    doc.save (File(fp + "/" + n))
} else {
    doc.save()
}

A long shot if it's a MAC, please check if the InDesign application has full disk access or not. If it does not then grant it the permission and test.

Also, where exactly are these documents saved? On the computer's internal harddisk, external drive or a network drive.

-Manan