Case Center (Ontario) file size limit and PDF requirements
Short answer
Since July 20, 2026, Case Center rejects any uploaded document over 500 pages or 2 GB; multimedia files may be up to 10 GB.
Source: Case Center: Page Limitation Enhancement Summary Guide
Source checked: October 21, 2026
Requirements
Every rule Case Center (Ontario) publishes that affects your PDF, with its source.
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Common rejection reasons
- Document over 500 pages or 2 GB: split it into volumes before uploading. [1]
Also worth knowing
- A bookmarked PDF can be split on upload: use first-level bookmarks for each volume and choose “Upload bookmarked PDF into single section”.
Sources
- [1]Case Center: Page Limitation Enhancement Summary Guide
Ontario Court of Justice
Read on October 21, 2026. Page date: PDF created July 8, 2026; limits enforced from July 20, 2026.
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Changelog
Re-checked the summary guide: 500 pages or 2 GB per document from July 20, 2026.
Other Canada portals
| Portal | Size limit | Page limit | Data |
|---|---|---|---|
| Court of Appeal for Ontario Public PortalOntario, courtVerified | 512MiBper file | Verified | |
| Ontario Courts Public PortalOntario, courtUnverified | Not verified | Unverified | |
| Canadian International Trade Tribunal (CITT) electronic filingFederal, tribunalVerified | 100 MBper file | Verified | |
| CRA Submit documents onlineFederal, agencySources conflict | 150MBper submission | Sources conflict | |
| Federal Court of Appeal (Canada) e-filingFederal, courtVerified | 100MBper file | Verified | |
| Federal Court of Canada e-filingFederal, courtVerified | 100 MBper file | Verified |