Free Online File Sharing

Share UOP Presentations Online for Free

Share UOP files online with ShareOtter. Instant links, password protection, and expiry control. No account, no hassle.

Drop files or folders to start sharing

or click to select files or upload a folder

uop
100MB LimitUp to 20 filesUpgrade to lift limits

Supported File Types

ShareOtter supports almost everything you throw at it.

Images

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Audio

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Video

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Font

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Document

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eBooks

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Presentation

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Code

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Spreadsheets

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CAD

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And many more coming soon...View full list →

What is a uop file?

Format Extensions: .uop

UOP stands for Uniform Office Presentation. It’s the presentation file format within the Uniform Office Format standard, an open document specification developed in China as an alternative to both Microsoft’s Office formats and the international OpenDocument standard.

UOF was built as a comprehensive office suite standard covering the three core document types. Word processing, spreadsheets, and presentations. UOP handles the presentation layer of that trio, the same role PPTX plays in Microsoft’s ecosystem and ODP plays in the OpenDocument world. Under the hood it’s XML describing the presentation structure, compressed into an archive, the same general approach modern open formats take.

The format exists primarily within Chinese office productivity software and government contexts. China developed UOF partly to reduce dependency on foreign proprietary formats in official and institutional workflows, giving domestic software developers a standardized open format to build around. Outside that context, UOP is rarely encountered.

Compatibility is the practical limitation. UOP files are handled by Chinese office applications that support the UOF standard, but the format has minimal support in the international software ecosystem. PowerPoint, LibreOffice, and Google Slides don’t open UOP files natively. If you receive one outside a Chinese software environment, your options for viewing it without the right application are limited.

ShareOtter renders UOP files in the browser so you can view the presentation contents without tracking down UOF-compatible software, which for most people outside China means software they’ve never installed and may not easily find.

Applications that open .uop files

If you prefer to view these files offline on your computer or mobile device, the following software tools are recommended:

LibreOffice Impress
Apache OpenOffice Impress
WPS Office

How to Share uop Presentations Online

Three steps. No account, no software, no waiting around.

Step 1

Select or Drop your File

Drag your UOP into the upload box above, or click to browse. Either way works.

Select the file
Step 2

Let it upload

Watch the progress bar. Most UOP files are done in a few seconds. Bigger files can take a little longer.

Wait for file upload
Step 3

Copy your link

Done. Grab the link and send it anywhere. Slack, email, text, WhatsApp wherever your file needs to go.

Copy link and share

Everything You Need to Share Files, Nothing You Don't

Sharing a file shouldn't mean losing control of it the moment you hit upload.

Instant shareable link

Instant Shareable Link

Upload once, get a link instantly. No waiting on emails to send, no attachment size limits bouncing your file back — just a clean URL you can paste anywhere, ready the second your upload finishes.

Password protection

Password Protection

Lock any file behind a password before sharing. Only people with both the link and the password can open it, so sensitive files stay sensitive even if the link ends up somewhere you didn't intend.

Link expiry control

Link Expiry Control

Set a link to expire after a day, a week, or whatever window makes sense. Once it's gone, it's gone — no stale links floating around in old emails months later.

Comments for Feedback

Comments for Feedback

Let people comment directly on the file instead of replying in a separate email thread. Feedback stays attached to exactly what it's about, so nothing gets lost translating between a file and a conversation.

Collaborative Workspaces

Email-Gated Access

Restrict a file to specific people by email. They'll get a magic link to sign in and view it — no password to share, no guessing who actually opened your file.

No signup required

No Signup Required

Share a file in seconds without creating an account. Drop it, get your link, send it — sign up later only if you want to manage files long-term.

Frequently Asked Questions

Are animations and transitions preserved in the UOP viewer?

No. ShareOtter renders your UOP presentation slides as static high-fidelity pages to guarantee visual consistency and compatibility across all modern web browsers.

How do I share a uop presentation using ShareOtter?

You can simply drag and drop your uop file onto the Dropzone on top of this page. You can also click the Dropzone to open the file picker.

How long will my uop presentation be available online?

Your uop presentation will be available for 24 hours after the upload. If you want to save it longer, you will need to sign up for an account.

Can I password protect my uop presentation files?

Yes, you can password protect your uop presentation files. People you share the file with will need to enter the password to view or download it.

Does ShareOtter support other presentation formats besides uop?

Yes, ShareOtter supports a wide range of presentation formats, including .odp, .otp, .pot, .pps, .ppsx, .ppt, .pptx, .sdd, .sti, .sx, .uop, .sxi formats. Each format gets its own optimized viewing experience.

Can I use ShareOtter for business or personal use?

ShareOtter is perfect for both business and personal use. Whether you're sharing marketing videos, client presentations, educational content, or personal projects, ShareOtter provides a professional way to share your files.

Do I need any technical skills to use ShareOtter?

No technical skills are required. ShareOtter is designed for ease of use. Just drag and drop your file, customize your page settings, and share the link—no coding or server management needed.