by Mets·Workflow
Images © Mets. Used for product review; image policy.
Incremental Auto-Save has been downloaded over 18,000 times from the blender_extensions library. It draws attention for filling gaps in Blender's native autosave, particularly never overwriting existing backups and saving files that haven't been named yet.
Incremental Auto-Save is an add-on by Mets that targets the shortcomings its author hit with Blender's built-in autosave, and it also grew out of a wish to share user preferences across multiple computers. Unlike Blender's own autosave, it never overwrites earlier autosaves, keeps saving even when the chosen path is invalid by falling back to the OS temp folder, and autosaves unsaved files such as Unnamed.blend.
You can specify more than one autosave path, and the first valid one is used, which is handy when preferences travel between machines. The add-on lets you set how many backups are stored and the interval between them, and it can optionally autosave on file switch, writing a backup even if you choose Don't Save. Preferences are stored in Blender's config folder, so they persist when the add-on is disabled.
Incremental Auto-Save is compatible with Blender 4.2 LTS and newer, and it is released under the GNU General Public License v3.0 or later.
Incremental Auto-Save is best for blender users who want more dependable autosaving and backups, especially those sharing preferences across multiple computers.
Incremental Auto-Save is completely free to download and use.
Incremental Auto-Save lists compatibility with Blender 4.2 LTS and newer, so recent Blender releases are supported. The current version is 1.1.2, published on July 3rd, 2024. If you're running an older build, check the developer's page for version history before installing, as behaviour on unsupported versions isn't guaranteed. For the most accurate compatibility details on your specific Blender release, refer to the extension listing on the developer's page.
Incremental Auto-Save can be added by dragging and dropping it into Blender, or by downloading it and using Install from Disk. Once installed, its options live in Blender's preferences, including a sub-panel you expand to reach settings such as the autosave paths. Preferences are stored in Blender's config folder, so your configuration stays in place even if you later disable the add-on. For step-by-step installation guidance, the developer's page links to Blender's extension install documentation.
Incremental Auto-Save keeps working even when the chosen autosave path is invalid, falling back to your operating system's temp folder rather than skipping the save. You can also specify more than one autosave path, and the add-on uses the first valid one, which is useful when you share preferences across multiple computers with different directory layouts. It also autosaves unsaved files such as Unnamed.blend, and it never overwrites earlier autosaves, so a bad path won't cost you a backup.
Incremental Auto-Save is listed here as free and is released under the GNU General Public License v3.0 or later. That license covers how the add-on can be used, modified, and redistributed. For current licensing terms and any changes, check the developer's page, which also hosts the source project and issue tracker. The add-on requests file permissions so it can save preferences and .blend files in the directories you choose.
Incremental Auto-Save stores its preferences in Blender's config folder, so your settings aren't lost when you disable the add-on. This also makes it practical to carry the same configuration across multiple computers. Within those preferences you can set the number of stored backups, the backup interval, one or more autosave paths, and an optional autosave on file switch. Because they're kept outside the add-on itself, your configuration is still there the next time you enable it.
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