> For the complete documentation index, see [llms.txt](https://support.docstudio.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.docstudio.com/user/envelope-invitations-and-completion/how-to-complete-an-incoming-envelope-existing-docstudio-user.md).
# How to Complete an Incoming Envelope (Existing DocStudio User)
This guide explains how to complete and sign an incoming DocStudio envelope as a registered (existing) user.
### When you need to sign in
If this isn’t the first envelope you’ve received, but you’ve never signed in or set up a password, you can usually complete envelopes without authorization.
If you previously set a password for your account, you must sign in to complete the envelope.
### Complete an envelope as an existing user
1. Open the email and click .
2. Sign in to your DocStudio account.
3. Complete the required actions based on your role:
* **Fill in** — Complete the fields assigned to you.
* **Sign** — Create your Electronic signature and apply it.
* **Approve** — Approve or reject the envelope.
* **Receive a copy** — No action is required.
4. When all required actions are completed, click .
5. In the pop-up window, click .
You have successfully completed the envelope in **DocStudio!**
### Confirmation email after signing
After you sign the document, DocStudio sends a confirmation email.
{% columns %}
{% column width="58.333333333333336%" %}
The email includes a button. Use it to open the signed document in DocStudio.\
\
Depending on the sender’s template settings, you can also download, or print the final PDF.
{% hint style="info" %}
If the button is not available, use the direct link in the email.
{% endhint %}
{% endcolumn %}
{% column width="41.666666666666664%" %}
{% endcolumn %}
{% endcolumns %}
### Common issues
Some issues are caused by an unsupported device, browser, or screen size.
* **Unsupported screen resolution.** DocStudio checks your screen size when you open the link or change the resolution.
* Desktop: `minWidth = 1440`
* Tablet: `minWidth = 756`, `maxWidth = 1439`
* Mobile: `minWidth = 320`, `maxWidth = 755`
* **Wrong device orientation (mobile/tablet).** Rotate your device. Use portrait or landscape as prompted.
* **Unsupported browser/OS version.**\
Use a modern browser version:
* Chrome, Edge, Safari, Opera, Opera Mini: 2 latest versions
* Firefox, Firefox ESR: latest version
* iOS: 2 latest versions
* IE 11 is not supported
### Related topics
* [Supported devices, browsers, and screen resolutions](/user/platform-settings-and-troubleshooting/supported-devices-browsers-and-screen-sizes.md)
.
2. Sign in to your DocStudio account.
3. Complete the required actions based on your role:
* **Fill in** — Complete the fields assigned to you.
* **Sign** — Create your Electronic signature and apply it.
* **Approve** — Approve or reject the envelope.
* **Receive a copy** — No action is required.
4. When all required actions are completed, click 
.
5. In the pop-up window, click 
.
You have successfully completed the envelope in **DocStudio!**
### Confirmation email after signing
After you sign the document, DocStudio sends a confirmation email.
{% columns %}
{% column width="58.333333333333336%" %}
The email includes a 
button. Use it to open the signed document in DocStudio.\
\
Depending on the sender’s template settings, you can also download, or print the final PDF.
{% hint style="info" %}
If the button is not available, use the direct link in the email.
{% endhint %}
{% endcolumn %}
{% column width="41.666666666666664%" %}
