Attachments (documents)
These file types can be attached to messages. Their text content is extracted and included in the conversation:
| Format | Extension |
|---|
| Plain text | .txt |
| Markdown | .md |
| PDF | .pdf |
| Microsoft Word | .docx |
| Microsoft Excel | .xlsx |
| CSV (spreadsheet) | .csv |
| JSON | .json |
| XML | .xml |
Attachments (images)
These image formats are supported for visual input to vision-capable models:
| Format | Extension | Max size |
|---|
| JPEG | .jpg, .jpeg | 5 MB |
| PNG | .png | 5 MB |
| GIF | .gif | 5 MB |
| WebP | .webp | 5 MB |
Total images per message: 25 MB maximum
Backup files
| Format | Extension | Description |
|---|
| Compressed backup | .msgpack.gz | Current backup format |
| Legacy backup | .json | Older format, still supported for import |
Agent exports
| Format | Extension | Description |
|---|
| Agent configuration | .json | Export/import custom agents |
Message exports
| Format | Extension | Description |
|---|
| Markdown | .md | Export individual assistant responses |