.gitignore for Altium Designer
10 ignore rules for Altium Designer, ready to copy into your repository.
PCB design software
The complete .gitignore for Altium Designer
# Generated by LFGitignore - https://lfgitignore.com
# Created: 2026-08-05 01:34:43 UTC
# Technologies: Altium Designer
### Altium Designer ###
History
__Previews
Project\ Logs*
Project\ Outputs*
debug.log
Status\ Report.txt
*.PcbDoc.htm
*.SchDocPreview
*.PcbDocPreview
# LibreOffice lock file
.~lock.*
What these Altium Designer rules actually ignore
Every pattern below, and why it belongs in your .gitignore.
Directories containing cache data
| Pattern | What it ignores |
|---|---|
History |
Directories containing cache data |
__Previews |
Directories containing cache data |
Directories containing logs and generated outputs
| Pattern | What it ignores |
|---|---|
Project\ Logs* |
Directories containing logs and generated outputs |
Project\ Outputs* |
Directories containing logs and generated outputs |
Misc files generated by altium
| Pattern | What it ignores |
|---|---|
debug.log |
Misc files generated by altium |
Status\ Report.txt |
Misc files generated by altium |
*.PcbDoc.htm |
Misc files generated by altium |
*.SchDocPreview |
Misc files generated by altium |
*.PcbDocPreview |
Misc files generated by altium |
Lock files sometimes left behind
| Pattern | What it ignores |
|---|---|
.~lock.* |
LibreOffice lock file |
How to use this .gitignore for Altium Designer
- Copy the Altium Designer rules above, or download the file directly.
- Create a file named .gitignore at the root of your Git repository and paste the rules into it.
- If some of those files are already tracked, run git rm -r --cached . then commit again — Git only applies ignore rules to untracked files.
- Commit the .gitignore so everyone on the team shares the same rules.