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What TDATA stores
Telegram Desktop keeps local application state in a working directory named tdata. In a product listing, TDATA means the supplier states that the bundle is intended for a compatible desktop client.
The label does not establish account age, country, 2FA, profile condition or extra files. Those product attributes must be stated separately.
- What it describes
- A storage format associated with Telegram Desktop.
- What it does not prove
- Age, geography, verification or account quality.
What Session and JSON mean
A Session is neither the account itself nor a universal Telegram file. It is local authorization state that lets a particular client resume an authorized connection. It may contain an authorization key, data-center parameters and client state.
Telethon stores enough information to reconnect without requesting a new login code and may also cache entities and update state. Pyrogram also uses SQLite storage and session strings, but follows its own storage layout. A shared .session extension therefore does not make the files interchangeable.
A companion JSON commonly carries a phone number, api_id/api_hash, device model, system and app versions, language and importer-specific fields. Some bundles also reference a proxy, 2FA data or supplier metadata. The consuming application, not Telegram, defines the schema.
The Session carries authorization state; JSON helps a particular application interpret the bundle. Session + JSON is a marketplace label, not one official Telegram standard.
How specialized applications use Telegram Sessions
A Session supplies authorization state to a compatible client or specialized application. After import, the application reads the authorization, checks its state, and adds the account to a workspace. JSON is used only to the extent defined by that importer’s schema.
These applications may organize multiple accounts, assign proxies and labels, and work with dialogs, messages, publishing, chats, or channels. The developer defines both the feature set and accepted formats, so a feature name does not establish Session compatibility.
| Tool type | Typical input | Typical use |
|---|---|---|
| Desktop client | TDATA | Manual work with dialogs, channels, profiles, and settings |
| Multi-account management panel | TDATA, Session + JSON, or a proprietary bundle, as documented | Account organization, status, proxies, messaging, publishing, and channel management |
| Custom integration | A library-specific Session or Session String | Using available Telegram API functions from code |
| Converter or validator | Explicitly named source and target formats | Bundle checks and supported conversion between formats |
Access format and application features are separate attributes. A Session does not include a software license, proxies, or workflow settings.
How TDATA and Session + JSON differ
| Attribute | TDATA | Session + JSON |
|---|---|---|
| Typical use | Telegram Desktop | A library, application or integration |
| Structure | A directory of local files | A file, database or session string plus JSON |
| Compatibility | Depends on the Desktop client | Depends on the Session type and JSON schema |
| What to verify | An explicit TDATA label and separate 2FA data | Library, Session type, and required JSON schema |
| Account quality signal | No | No |
What to verify before importing a Session into specialized software
Start with the application’s import documentation. One importer may accept Telethon Session + JSON, while another requires a Pyrogram Session String, TDATA, a proprietary archive, or a client database. “JSON .SESSION” identifies bundle components, not the implementation.
- Accepted package. Confirm whether the importer expects TDATA, Telethon .session + JSON, Pyrogram .session, a Session String, or its own archive.
- Session implementation. The .session extension is insufficient; the listing or supplier documentation must name the library.
- JSON schema and filenames. Some importers require matching base filenames and exact api_id, api_hash, device_model, app_version, or lang_code fields.
- Additional inputs. If the application needs 2FA data, a proxy, or a separate configuration, it must be included or configured by the user.
- Conversion mode. A converter may repackage current authorization or connect to create a new session. These are different operations, so verify the selected mode.
Compatibility is not established when the listing omits the library and the application does not document that exact bundle.
What other attributes to check in a Telegram account listing
TDATA or Session + JSON describes only the access format. It does not mean that 2FA is enabled, its password is delivered, a phone number is included, or future SMS access is available. Every attribute must be stated separately.
Check phone verification, number or SIM access, geography, age, profile condition, delivered data, fulfillment, and warranty independently. When a required property is not explicit, the Session or TDATA format does not establish it.
TDATA, .session files, and session strings are access data. Keep them private: Telethon warns that a leaked session may allow access to the associated account.
| Attribute | What it describes | What to verify separately |
|---|---|---|
| Access format | TDATA, Session + JSON, a standalone Session, or Session String | Which format the selected client or application accepts |
| 2FA | Whether two-step verification is enabled and a password is stated as included | Whether the 2FA password is delivered; phone and SIM access remain separate |
| Phone verification | PVA, SMS verification, or the phone country code | Whether the number, physical SIM, or future SMS access is included |
| Geography | Phone, registration, or IP country | Which geographic attribute the country describes |
| Age | A minimum number of days, range, or registration year | The exact date and whether the account was active throughout |
| Profile condition | A stated username, avatar, bio, posts, or other profile elements | Which elements exist in the selected listing |
| Bundle and delivery | Which data is delivered and how it is received | Archive contents, delivery time, and the product-specific warranty |
2FA does not imply TDATA or Session + JSON, and TDATA or Session + JSON does not imply enabled 2FA. They are independent listing fields.
Frequently asked questions
What is Telegram TDATA?
It is Telegram Desktop local data. In a listing, it identifies a bundle intended for a compatible desktop client.
Which applications use Session + JSON?
Some account-management panels and custom integrations use this bundle. Verify the library, JSON schema, and import method in the selected application’s documentation.
Will any .session file work with Telethon and Pyrogram?
No. Both libraries use the .session extension, but their formats are not assumed to be interchangeable. The listing must identify the required compatibility.
Does every JSON file contain the same fields?
No. There is no universal schema; the tool or supplier defines the fields.
Is the JSON file itself the Telegram session?
Usually not. In a Session + JSON bundle, authorization state is stored in the Session, while JSON supplies parameters expected by a particular importer.
Does every Telegram product include both formats?
No. Treat a format as included only when the selected listing explicitly names it.
