How to Sign a Word Document on Mobile (iOS & Android)

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Smartphones are now central to how we handle contracts, invoices, and agreements. Getting approvals from your mobile device helps speed up the signing process and keeps workflows moving, no matter where you are.

With the Xodo app, you can easily add electronic signatures to Microsoft Word documents or request legally binding digital signatures, all without switching between apps.

Everything happens in one streamlined mobile experience, ideal for busy individuals and professionals who need speed and simplicity.

Why sign word documents on mobile?

Signing documents on your iPhone, iPad or Android device isn’t just convenient. It’s efficient and secure. Here’s how an electronic signature platform like Xodo can help:

Respond and close deals faster
Sign sales contracts or agreements as soon as they arrive and eliminate bottlenecks.
Work with images and scanned files
You can also add a signature to a scanned document on-the-spot.
Stay protected and secure
Xodo uses strong encryption and secure cloud storage to keep your signed documents safe.
Streamline the entire process
Upload your file and create electronic signatures with Xodo to finalize documents.

How to sign a word document using Xodo Mobile

You can sign Word documents on both iOS or Android using the Xodo app. Here's how:

1. Download Xodo Mobile

Install the Xodo app on your iOS or Android device.
Open the app to get started.

2. Upload your Microsoft Word file

From the Files list, select your Word document (.doc or .docx).
Tap on the drop down menu.
On iOS: Xodo will automatically convert Word to PDF.
On Android: Tap on Convert to PDF to continue.
Select the Fill and Sign tool from the menu.

Uploading a Microsoft Word document to Xodo Mobile for signing

3. Create your signature

Tap the Signature Tool.
Tap Create signature.
Draw, type, or upload a signature image.
Choose to save your signature or not for future documents.
Tap on DONE.

Creating a signature in the Xodo app for iOS and Android phones

4. Add a signature to your document

Tap the page to place your signature.
Resize and drag the signature text box as needed.
Tap the Back button in the top left side corner to save the file.
This will save it as a PDF document if you need to preserve formatting and follow compliance measures.
Your signed document will appear in the Processed Files list.

Adding an electronic signature to a Word document in Xodo Mobile

5. Save or export your signed document

Save the signed PDF file back into a Word document.
On iOS: Tap PDF to Word at the bottom of the screen.
On Android: Tap the 3 vertical dots in the top right menu > Export to Office format > Word.

Steps to convert a signed PDF back to Microsoft Word document using Xodo

How to request legally binding signatures with Xodo Sign

If you need others to sign the document, use Xodo Sign tools that are integrated into the Xodo app. You'll first need to convert your Word to PDF which you can quickly do with Xodo's PDF tools. Once converted, follow the steps below.

Steps to request legally binding signatures

Create a Xodo Sign account.
Open Xodo Mobile and tap Xodo Sign at the bottom.
Log into your Xodo Sign account.
Tap the + icon and on Request Signatures.
Upload your document.
Add signer details (names, emails) and send the request.

Xodo Sign supports various formats, multiple signatures and provides a full audit trail for compliance.

For detailed walkthroughs, see:

Frequently asked questions

Find answers to common questions about Xodo mobile and Word document signatures.

Are mobile signatures legally binding?

Yes. If you're requesting legally binding signatures using Xodo Sign features in the Xodo mobile app, your documents comply with the U.S. ESIGN Act and EU eIDAS regulations. This means your digital signature carries the same legal weight as a handwritten one in many regions.

Is mobile signing with Xodo secure?

Yes. The Xodo mobile app uses encryption and secure cloud storage to protect your files. When requesting signatures through Xodo Sign tools, your documents are handled using SOC 2 Type 1 compliant processes, ensuring only authorized users can access them.

How do I e-sign a shared Word file from my email?

Download the Word document from your email and open it in Xodo. Most mobile email apps offer an Open with… option. Just select Xodo (opting to open the document either Just once or Always) and follow the steps above to sign your Word document.

What types of electronic signatures can I add in Xodo?

Xodo supports drawing, typing, or uploading a picture of your signature, giving you the flexibility to choose the style and electronically sign your Word document.

Can I add a handwritten signature to my Word document?

Yes. Use the Create Signature option in Xodo to draw your signature with your finger or a stylus pen. The Xodo app supports the standard Apple Pencil, Samsung S-Pen, or any other provider that matches the stylus standard. You can also upload an image of your handwritten signature.

How do I add a signature line to a Word document on Android?

Microsoft Word includes a built-in signature line feature. You can use it directly on Android devices to insert a signature field into your document.

What if I need to add or remove pages after uploading?

Use the View & Edit PDF tool in Xodo. Tap the 3 vertical dots menu, select Edit Pages, then choose Add... or Delete..., specify the pages and confirm your changes.

Where can I see the signed document once done?

Signed files appear in your Processed Files folder. If you’ve requested signatures via Xodo Sign, check the Documents list in the Xodo Sign section for status updates and audit trails.

Can I use Xodo to sign PDF files too?

Yes. If your document is already a PDF, you can skip the conversion step. Xodo supports native PDF editing and signing on both iOS and Android.

Can I also edit a PDF document with Xodo?

Yes. In addition to signing, Xodo lets you edit, annotate, fill out, and review PDF files on mobile. Discover how to edit PDFs on iPhone and Android.

Finalize documents faster with Xodo Mobile

Xodo Mobile gives you everything you need to sign Word documents or request signatures, right from your phone.

You can add your own signature, send out requests for legally binding ones, and keep track of signed files without switching apps.

Looking for advanced features like reusable templates, team collaboration or multiple signers workflows?

Explore Xodo Sign’s professional plan to manage documents at scale.

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Reena Cruz