Convert DOC to DOCX — Free
Upload your DOC file and get a DOCX in seconds. No account, no watermark.
How to convert DOC to DOCX
Need to convert your old DOC files to the modern DOCX format? BoltConverter offers a fast and free way to update your documents. DOCX files provide better compatibility and advanced features compared to the older DOC format.
Our online tool processes your files securely on our servers. We ensure your privacy by deleting all files immediately after conversion. Get your DOCX file ready in just a few clicks.
Upload DOC File
Click the 'Choose File' button and select your DOC document from your device.
Start Conversion
Press the 'Convert' button to begin the conversion process.
Wait for Processing
Your file will be converted from DOC to DOCX on our secure servers.
Download DOCX
Click the 'Download' button to save your new DOCX file to your computer.
Frequently asked questions
Is BoltConverter free for DOC to DOCX conversions?
Yes, BoltConverter is completely free to use for all DOC to DOCX conversions, with no hidden costs or subscriptions.
How long does BoltConverter store my files?
Your files are processed server-side and deleted immediately after conversion. We do not store any user files for privacy and security.
Is there a file size limit for DOC to DOCX conversion?
Yes, the maximum file size for converting DOC to DOCX using BoltConverter is 100 MB.
Does the converted DOCX file maintain its original quality?
Yes, BoltConverter aims to preserve the original formatting, layout, and quality of your document during the conversion process.
Can I convert multiple DOC files to DOCX at once?
No, BoltConverter currently supports converting one DOC file to DOCX at a time. Please convert your files individually.