Here’s a quirky InDesign issue. When you change preference settings, some settings apply only to the current document, while other settings apply to all documents.
The bottom line is that if you want your preference settings to apply to all new documents you create, close all documents before changing settings.
If you want to know which specific settings are document-specific and which ones are application-specific, keep reading…
General (Application)Interface (Application)Type (Mixed) Use Typographer’s Quotes (Document) Type Tool Converts Frames to Text Frames (Application) Automatically Use Correct Optical Size (Document) Triple Click to Select a Line (Application) Apply Leading to Entire Paragraphs (Document) Adjust Spacing Automatically When Cutting and Pasting Words (Application) Font Preview Size (Application) Enable in Layout View (Application) Enable in Story Editor (Application) Smart Text Reflow options (Document)Advanced Type (Mixed) Character Settings (Document) Use Inline Input for Non-Latin Text (Application)Composition (Document)Units & Increments (Document)Grids (Document)Guides & Pasteboard (Mixed) Color – Margins, Columns, Bleed, Slug, Preview Background (Document) Color – Smart Guides (Application) Snap to Zone (Document) Guides in Back (Document) Smart Guide Options – Align to Object Center, Align to Object Edges, Smart Dimensions, Smart Spacing (Application) Minimum Vertical Offset (Document)Dictionary (Mixed) Language (Application) All other options (Document)Spelling (Application)Autocorrect (Application)Notes (Application)Story Editor Display (Application)Display Performance (Application)Appearance of Black (Application)File Handling (Mixed) Create Links When Placing Text and Spreadsheet Files (Document) All other options (Application)Clipboard Handling (Application)