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I am using WinMerge for years as my preferred diff tool. Yesterday I updated my installation from v2.16.4.0 to v2.16.10.0 and now the Tree View mode option in the View menu is disabled (greyed out).

How can I make Tree View mode enabled again?

UPDATE: I downloaded previous versions of the tool to test when this got broken. It appears that v2.16.8.0 is functioning OK, while v2.16.9.0 is broken.

Unfortunately, this version is not provided on the WinMerge site and I had to dig it up in the SourceForge repositories.

ysap
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3 Answers3

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I had a similar problem, but found and shared a workaround on their GitHub page here (hope it works for others as well):

Problem

  • View → TreeView is grayed out (I made sure that Include Subfolders is enabled in options)

Workaround

  1. Go to Edit → Options → Ok (change nothing, its just a necessary stupid step)
  2. Refresh (F5)

→ It magically works now.

NOTE: You might also want to do View → Expand All Subfolders (or ALT → V → C)

Domi
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For me solution was to add the command line option /r (include subfolders), then tree view is enabled from the start.

bughunter
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In the initial Select Files or Folders dialog, make sure you check the Include Subfolders check-box.

@bughunter your response jogged my memory. This is an old issue.

enter image description here

Quantium
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  • Hi @Quantium, welcome to SU. Yes, this the way to get the required functionality, but I think the issue does not appear in current versions of the SW. – ysap Jul 12 '23 at 11:13