让 macOS 保存/打印对话框默认展开

01命令

$ defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode -bool true && defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode2 -bool true && defaults write NSGlobalDomain PMPrintingExpandedStateForPrint -bool true && defaults write NSGlobalDomain PMPrintingExpandedStateForPrint2 -bool true

02作用说明

macOS 默认按应用单独记住对话框的紧凑/展开状态，所以在 A 应用里展开后，B 应用还是小窗口。NSNavPanelExpandedStateForSaveMode（以及新版应用使用的 SaveMode2）在全局域记录保存面板的展开状态，PMPrintingExpandedStateForPrint 则控制打印对话框。把这些键写为 true 后，所有 Cocoa 应用的对话框都会默认显示完整视图，能直接看到文件路径、侧边栏和打印详情。

03风险

04撤销

$ defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode -bool false && defaults write NSGlobalDomain PMPrintingExpandedStateForPrint -bool false

05来源

• macOS defaults - read, write and delete macOS user defaults
  SS64 · technical · 2026-09-17
  依据: Shows writing boolean keys into NSGlobalDomain with `defaults write NSGlobalDomain <key> -bool true`, affecting all apps that read the global domain.
• macOS setup dotfiles (.macos)
  mathiasbynens/dotfiles (GitHub) · community · 2026-09-17
  依据: Sets exactly these keys: 'defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode -bool true' plus NSNavPanelExpandedStateForSaveMode2, with a comment about expanding the save panel by default; the file also sets PMPrintingExpandedStateForPrint.

最后验证: 2026-09-19 · 分类: 系统与设置

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