Licensed to be used in conjunction with basebox, only.
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Supported file formats
What can you upload to basebox?
basebox can automatically analyze various file types – from documents and spreadsheets to audio files. The AI recognizes the content and makes it searchable and analyzable for you.
Maximum file size: 10 MB per file
All supported file formats at a glance
Documents
Text-based files for analysis and summarization:
- PDF – Reports, contracts, presentations
- DOCX – Word documents (newer format)
- TXT – Plain text files
- PPT / PPTX – PowerPoint presentations
Spreadsheets
Data analysis and calculations:
- XLSX – Excel files (recommended format)
- XLS – Older Excel files
Audio
Automatic transcription to text:
- MP3 – Compressed audio files
- WAV – Uncompressed audio files
- FLAC – Lossless compression
- OGG – Open-source audio format
What happens after uploading?
Automatic processing:
Documents (PDF, DOCX, TXT, PPT):
- Text is extracted and made analyzable
- You can ask questions about the content
- Summaries and analyses are possible
Spreadsheets (XLSX, XLS):
- Data is captured in a structured way
- Calculations and data analysis are possible
- Charts and trends can be identified
Audio (MP3, WAV, FLAC, OGG):
- Automatic transcription to text
- Afterward, it can be analyzed like a text document
- Searchable within the spoken content
Common issues and solutions
PDF files
Problem: "Text cannot be read" Cause: Scanned PDFs (images) without selectable text Solution:
- Check whether you can select text in the PDF
- Use OCR software before uploading
- Alternatively: copy and paste the text manually
Excel files
Problem: File is not processed correctly Recommendation:
- Use XLSX (works better than XLS)
- Remove empty rows and columns
- Save old XLS files as XLSX
Password-protected files
Problem: "File cannot be opened" Cause: basebox cannot process encrypted files Solution:
- Remove password protection before uploading
- Or copy the content into a new, unprotected file
Audio files
Problem: Inaccurate transcription Tips for better results:
- Use good audio quality
- Speak clearly and not too fast
- Reduce background noise
Unsupported formats
These file types currently do not work:
- Images (JPG, PNG, GIF) – no text recognition
- Videos (MP4, AVI) – not processed
- Archives (ZIP, RAR) – must be unpacked
- Special formats (CAD, design files)
Workaround: Convert files to a supported format or extract the text manually.
Tips for optimal results
Before uploading, check:
- File size under 10 MB
- Supported format
- No password protection
- Text is selectable (for PDFs)
If you run into problems:
- Read the error message – basebox shows specific hints
- Convert the format – Save in another supported format
- Split the file – Use several smaller uploads for files that are too large
- Just try it – When in doubt, upload the file and see what happens
Frequently asked questions
Can I upload multiple files at once? Yes, you can use multiple files in one chat.
What happens to my uploaded files? They are processed temporarily and automatically deleted after the chat.
Why isn't my file being recognized? Check the format, size, and whether the file is corrupted. The error message usually gives concrete hints.
Can I split very large files? Yes, split large documents into smaller sections for better processing.
Important note
If a format is unsupported or a problem occurs, basebox displays a corresponding error message with concrete solution suggestions.
Tip
When in doubt, you can simply upload the file and check whether it's processed – basebox gives you immediate feedback.
Having trouble with a specific file format? Contact support