> For the complete documentation index, see [llms.txt](https://docs.jabref.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.jabref.org/advanced.md).

# Advanced information

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[Main Window](/advanced/main-window.md)
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[Entry Editor](/advanced/entryeditor.md)
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[About BibTeX and its fields](/advanced/fields.md)
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[Strings](/advanced/strings.md)
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[Field content selector](/advanced/contentselector.md)
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[URL and DOI links in JabRef](/advanced/externalfiles.md)
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<https://github.com/JabRef/user-documentation/tree/main/en/advanced/%3Chttps:/github.com/JabRef/user-documentation/blob/main/en/advanced/OCR.md%3E>
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[Command line use and options](/advanced/commandline.md)
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[Automatic Backup (.sav and .bak) and Autosave](/advanced/autosave.md)
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[XMP metadata support in JabRef](/advanced/xmp.md)
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[Remote operation](/advanced/remote.md)
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[Journal abbreviations](/advanced/journalabbreviations.md)
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[New subdatabase based on AUX file](/advanced/newbasedonaux.md)
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[How to expand first names of an entry](/advanced/how-to-expand-firstnames.md)
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[Resources](/advanced/resources.md)
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[License](/advanced/license.md)
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[Knowledge](/advanced/knowledge.md)
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