{"id":"external-drives.what-is-split-storage-in-background-activity","url":"/faq/external-drives/what-is-split-storage-in-background-activity","category":{"id":"external-drives","title":"External drives"},"subcategory":{"id":"checking-the-drive","title":"Checking your drive"},"question":"What is the Split Storage job in Background Activity?","alt_questions":["Split Storage Storage Studio","What does Split Storage do?","Job Insights Split Storage","split storage fast drive","Why is Split Storage running when I plug in my drive?","Split Storage notice"],"short_answer":"A background job that finds parts of apps' files that could live on your fast drive, keeps track of the ones that already do, and clears leftover installer downloads. Its checks report any problems as one notice in Background Activity.","answer_markdown":"Split Storage is the background job that looks at which parts of an app's files could live on your fast drive instead of your Mac, keeps track of the parts that already do, and clears out leftover installer downloads. It works quietly in the background and when your fast drive connects.\n\nIt's also where the checks on those moved parts report: if something is missing, orphaned or unexpectedly changed, you'll see a single notice on the Split Storage card in **Background Activity** explaining what happened and what to do.","answer_html":"

Split Storage is the background job that looks at which parts of an app's files could live on your fast drive instead of your Mac, keeps track of the parts that already do, and clears out leftover installer downloads. It works quietly in the background and when your fast drive connects.

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It's also where the checks on those moved parts report: if something is missing, orphaned or unexpectedly changed, you'll see a single notice on the Split Storage card in Background Activity explaining what happened and what to do.

","answer_text":"Split Storage is the background job that looks at which parts of an app's files could live on your fast drive instead of your Mac, keeps track of the parts that already do, and clears out leftover installer downloads. It works quietly in the background and when your fast drive connects.\n\nIt's also where the checks on those moved parts report: if something is missing, orphaned or unexpectedly changed, you'll see a single notice on the Split Storage card in Background Activity explaining what happened and what to do.","tags":["split storage","background activity","job insights"],"related":[{"id":"external-drives.how-does-storage-studio-check-moved-files-on-the-drive","question":"Does Storage Studio keep checking that my moved files are still safe on the drive?","url":"/faq/external-drives/how-does-storage-studio-check-moved-files-on-the-drive"},{"id":"external-drives.how-do-i-check-my-drive-is-set-up-correctly","question":"How do I check my external drive is set up correctly?","url":"/faq/external-drives/how-do-i-check-my-drive-is-set-up-correctly"},{"id":"external-drives.what-does-validate-check","question":"What does the Validate button in the Inspect window check?","url":"/faq/external-drives/what-does-validate-check"}],"applies_to":"all","last_reviewed":"2026-10-01","title":"What is the Split Storage job in Background Activity? — Storage Studio FAQ","description":"A background job that finds parts of apps' files that could live on your fast drive, keeps track of the ones that already do, and clears leftover installer downloads. Its checks report any problems as one notice in Background Activity.","crumbs":[{"name":"Home","path":"/"},{"name":"FAQ","path":"/faq/"},{"name":"External drives","path":"/faq/external-drives/"},{"name":"What is the Split Storage job in Background Activity?","path":"/faq/external-drives/what-is-split-storage-in-background-activity"}],"jsonld":{"@context":"https://schema.org","@type":"FAQPage","url":"https://storagestudio.us/faq/external-drives/what-is-split-storage-in-background-activity","inLanguage":"en","dateModified":"2026-10-01","mainEntity":[{"@type":"Question","name":"What is the Split Storage job in Background Activity?","alternateName":["Split Storage Storage Studio","What does Split Storage do?","Job Insights Split Storage","split storage fast drive","Why is Split Storage running when I plug in my drive?","Split Storage notice"],"acceptedAnswer":{"@type":"Answer","text":"Split Storage is the background job that looks at which parts of an app's files could live on your fast drive instead of your Mac, keeps track of the parts that already do, and clears out leftover installer downloads. It works quietly in the background and when your fast drive connects.\n\nIt's also where the checks on those moved parts report: if something is missing, orphaned or unexpectedly changed, you'll see a single notice on the Split Storage card in Background Activity explaining what happened and what to do.","url":"https://storagestudio.us/faq/external-drives/what-is-split-storage-in-background-activity"}}]},"fragment":"
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External drives · Checking your drive

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What is the Split Storage job in Background Activity?

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Short answer: A background job that finds parts of apps' files that could live on your fast drive, keeps track of the ones that already do, and clears leftover installer downloads. Its checks report any problems as one notice in Background Activity.

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Split Storage is the background job that looks at which parts of an app's files could live on your fast drive instead of your Mac, keeps track of the parts that already do, and clears out leftover installer downloads. It works quietly in the background and when your fast drive connects.

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It's also where the checks on those moved parts report: if something is missing, orphaned or unexpectedly changed, you'll see a single notice on the Split Storage card in Background Activity explaining what happened and what to do.

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